As we start the week, here are links to the biggest stories.

Turkey warns Kurdish YPG forces will pay for soldiers’ deaths

Prime Minister Binali Yildirim made the threat in a tweet Saturday, Turkey’s state media said, which marked Turkey’s deadliest day in its military operation dubbed “Operation Olive Branch” in northern Syria. Five Turkish soldiers were killed when a tank was destroyed by a missile in Sheikh Haruz, northeast of Afrin, Turkish state media reported.

Man is arrested outside Lana Del Rey concert after ‘kidnapping threat’

Police say 43-year-old Michael Hunt of Riverview, Florida, had tickets for the singer’s performance at the Amway Center in Orlando. He was carrying a knife when officers arrested him about a block away from the concert venue on Friday, police said in a statement. He was not able to make contact with the singer, police said.

Donald Trump said 4 things that aren’t true in a single 47-word tweet

“This memo totally vindicates ‘Trump’ in probe. But the Russian Witch Hunt goes on and on. Their was no Collusion and there was no Obstruction (the word now used because, after one year of looking endlessly and finding NOTHING, collusion is dead). This is an American disgrace!”

Oil tanker with 22 aboard missing off coast of West Africa

The vessel, Marine Express, was carrying more than 13,000 tons of gasoline and went missing in the Gulf of Guinea, according to a statement from the Anglo Eastern, the ship’s managing company. It said it lost contact with the vessel Thursday.

UN report accuses N. Korea of earning $200 million by violating sanctions

The report was authored by a panel of experts investigating North Korea and has been sent to a UN committee on North Korea. CNN has obtained key sections of the report from a UN diplomat who is not authorized to speak publicly. CNN has not reviewed the entire document.

Lady Gaga cancels final tour dates due to ‘severe pain’

Gaga apologized to her fans on Saturday through a statement posted on Twitter, saying she needed to put her “well-being first” and plans to recover at home. “All I know is that if I don’t do this, I am not standing by the words or meaning of my music,” she said.

Amtrak Train Derails After Collision In South Carolina; Fatalities Reported

An Amtrak train traveling from New York to Miami collided with a freight train in South Carolina early Sunday. The Lexington County Sheriff’s Department said at least two people were killed in the crash. Dozens of others were reported injured. According to NBC News, 139 passengers and 8 crew members were on board the train when the crash occurred.

More Than Half Of American Babies Are At Risk For Malnourishment

LOS ANGELES COUNTY, Calif. ― The nutrition children receive during their first 1,000 days ― from conception until their second birthday ― has a profound impact on how they develop. Without the proper nutrition during that window of time, young brains will not grow to their fullest potential, diminishing the kids’ opportunities for the rest of their lives, according to public health and medical organizations.

Goose Hunter Knocked Unconscious By Dead Bird Falling From Sky

An experienced hunter in Maryland wound up in a hospital on Thursday after a recently shot Canada goose fell out of the sky and landed on his head, local media reported. The falling bird knocked Robert Meilhammer, 51, unconscious, CBS Baltimore reported.

Alec Baldwin Is Back As Trump – In Bed – Boasting Of 10 Billion Viewers On ‘SNL’

Alec Baldwin was back as Donald Trump – under the covers, tweeting – in a “Saturday Night Live” cold open that skewered “Fox & Friends” and the FBI-attacking memo released by Rep. Devin Nunes (R-Calif.).

My Parents Know All About My Sex Life, And It’s Awkward

I’ve been writing and ranting about sex and relationships for over a decade now. Between my website Slutever and my sex column for Vogue.com, I make a living divulging about everything from awkward orgies to open relationships to my clumsy attempts at becoming a professional dominatrix.

China derides ‘Cold War’ US nuclear plan

China has urged the US to drop its “Cold War mentality” after Washington said it planned to diversify its nuclear armoury with smaller bombs. “The country that owns the world’s largest nuclear arsenal, should take the initiative to follow the trend instead of going against it,” China’s defence ministry said on Sunday.

The mystery of the strangled billionaires

The killing of a wealthy Canadian couple made headlines around the world. Then the news they had been found hanging by men’s belts next to their indoor pool, with no apparent motive, deepened the intrigue. So who were Barry and Honey Sherman?

N Korea ‘uses embassy to get missile tech’

North Korea has been acquiring technology for its nuclear and weapons programmes through its Berlin embassy, Germany’s head of intelligence says. Hans-Georg Maassen told NDR TV that many of these activities had been thwarted, but not all were detected. He did not say what type of technology was procured, but said it could be used for civilian and military purposes.

Eight things that were bigger killers in the 1970s

Humans tend towards pessimism when it comes to observing the world around them, research indicates. A recent Ipsos Mori survey suggests we frequently think things are worse than they are, from murder rates to the prevalence of diabetes. But very often our perceptions don’t align with reality.

The ‘ironic’ question of Nigerian writing

Thousands of people across social media have been posting about Nigeria’s literary heritage after a journalist asked acclaimed writer Chimamanda Ngozi Adichie if there were any bookshops in her country. People have tweeted about the author more than 16,000 times since the question was asked in a public interview on Thursday evening in Paris.

There’s a problem with YouTube’s new anti-propaganda initiative

YouTube is attempting to stem the ugly ooze of propaganda and conspiracy theories on its platform with what can be best described as a misleading Band-Aid. On Friday, Google-owned YouTube announced it’s rolling out “notices” that inform users they’re watching a video from an organization that receives funding from a government.

Here’s how SpaceX’s Falcon Heavy rocket stacks up to the competition

After years of delays and setbacks, SpaceX is finally ready to launch the maiden flight of its Falcon Heavy rocket, which is scheduled for Feb. 6. SpaceX has said that the launcher, with its 27 engines and 3 boosters, will be the most powerful rocket currently flying when it makes its debut on Tuesday.

Meghan Markle had an awkward but sweet moment during a mix up at an awards ceremony

Joining the royal family means working now and again. Meghan Markle did her first awards event as a soon-to-be royal on Thursday. The event was the Endeavour Fund Awards, which celebrates the achievements of wounded, injured and sick former service-personnel in the fields of sport and adventurous challenges.

Drone gets way too close to an airplane in terrifying video

Hey, if you own a drone, maybe don’t fly it over an airplane filled with passengers? The FAA is investigating a video that seems to show a drone’s close call with a commercial airliner landing at McCarran International Airport near Las Vegas, according to the local CBS affiliate.