Here are today’s top stories.

Riot police fire tear gas at protesters for second consecutive day

By Jenni Marsh, Helen Regan and Jessie Yeung, CNN Updated 8:10 a.m. ET, July 28, 2019 What we’re covering here Riot police and protesters face off again: Riot police are firing tear gas outside the Chinese government’s Liaison Office as they try to disperse the crowds there.

US teen suspected in killing of police officer blindfolded by police in Rome

Italian police have launched an investigation into a shocking image that shows one of the two young Americans arrested over the killing of an Italian police officer, blindfolded at a police station in Rome.

This college dropout was bedridden for 11 years. Then he invented a surgery and cured himself

Doug Lindsay was starting his senior year in college when he was stricken by a mysterious illness. Doctors were baffled. He eventually realized that if he wanted his life back, he’d have to do it himself.

Woman who says she lost Miss Michigan crown for conservative views joins Trump campaign advisory board

The woman who says she was stripped of her Miss Michigan 2019 crown for her conservative views has a new title: Women for Trump Coalition Advisory Board member.

Opposition members keep going ‘missing’ in Paul Kagame’s Rwanda

A member of an opposition party in Rwanda disappeared on his way to a meeting last week. It’s the latest in a series of mysterious disappearances that have shaken those opposed to longtime President Paul Kagame.

Kremlin critic Alexei Navalny hospitalized after being detained

Russian opposition leader Alexei Navalny has been hospitalized with an “acute allergic reaction” after being placed in special detention, according to a spokesperson.

Villagers in India beat tiger to death

Villagers in northern India beat to death a female tiger after the animal fatally mauled a man, authorities said.

Museum of the Future: A new world icon?

Editor’s Note – CNN’s series often carry sponsorship originating from the countries and regions we profile. However, CNN retains full editorial control over all of its reports. Our sponsorship policy. (CNN) – Drivers on Sheikh Zayed Road, the largest highway in Dubai, will have noticed what looks like a giant eye rising alongside the iconic Emirates Towers.

Huge rare ‘Elephant Queen’ captured on camera

Towering high above the Kenyan landscape, this female elephant is huge, her long tusks curving right down to the ground. Known as a “big tusker” she’s a rare and extraordinary sight — it’s estimated that fewer than 30 of these animals still exist in Africa.

Robotic contact lens allows users to zoom in by blinking eyes

Scientists have created a robotic lens that is controlled by small eye movements, including double blinks to zoom in and out. Most soft robots are controlled manually or pre-programmed but the lenses mimic the natural electric signals in the human eyeball that are active even when the eye itself is closed.

No, a clown did not start a mass brawl on a P&O cruise ship

A mass brawl that broke out on a cruise ship and left six people injured was not started by a clown, police have said. The fight, which erupted in the early hours of Friday morning on the P&O cruise ship Britannia, saw three men and three women assaulted.

British woman arrested for ‘making false gang-rape claim’ against 12 Israelis in Ayia Napa

A British woman has been arrested on suspicion of filing a false complaint of gang rape in Cyprus. Police said a dozen Israeli teenagers had initially been detained as suspects on July 18, after the woman reported she had been assaulted in a hotel room in the party resort of Ayia Napa.

Furious mother says childless millennials should be banned from Disney World

Disney World is considered by some, presumably including those who visit, to be the happiest place on earth. Those holding such a view appear not to include at least one irate mother who chose to vent her ire with adults young at heart flocking to the amusement park.

Opinion: Boris Johnson has learned nothing since his veiled homophobic comment to me in 1980s

It was the end of the 1980s. I was dating a lovely man. I got to hang out with his friends. They were different from the crowd I was used to. They were Conservatives and all from Oxford. We had different views, but I liked them.

At least two new iPads are reportedly coming in 2019

Apple’s not done releasing new products in 2019. New iPhones – bulbous square camera bump and all – are expected in September. The new Mac Pro will also be coming the same month. A 16-inch MacBook Pro with all-new keyboard are rumored for the fall. And now, there’s word new iPads are coming.

Apple also uses humans to listen to some Siri recordings

News alert: your Siri voice recordings may not be entirely private. According to The Guardian , Apple hires contractors to listen to Siri recordings in order to improve the accuracy and quality of the voice assistant.

Trump’s ‘infested’ tweets violate a very specific Twitter rule

Rats, rodents, maggots, crime. These words have literal meanings, but when they’re used to describe specific places or groups, they take on something more. It’s something CNN anchor Victor Blackwell pointed out in a moving segment about Trump’s racist use of the word “infested” in tweets – and also something that Twitter explicitly prohibits in its rules against “dehumanizing language.”

How to block annoying notifications on Chrome

Google Chrome might be the most popular browser, but it has one extremely annoying bad habit: constantly asking if you want the website you’re visiting to be able to send you notifications. These intrusive pop-ups are not only annoying as hell (I can confidently say I have never wanted any website to send me useless desktop notifications), but incredibly disruptive.

Real life Mario Kart from Formula E

Watch out for the blue shells!