In Rio, a 4-year-old girl clears plastic waste from the ocean

In a major operation to push back against gangs, about 1,200 Brazilian military police were deployed to a neighborhood as part of a project to "change the lives of the people."

A four-year-old girl missing for 18 days in a remote part of Western Australia has been found alive and well in a locked house, police have said. "They found little Cleo in one of the rooms," Deputy Commissioner Col Blanch from WA Police said in a statement.

As delegates from around the world take part in the world's first summit on protecting the world's oceans, our guest has written a book explaining how algae could be a major part of our future. Seaweed can be grown not just for food, but also for medicines, for replacing plastic and for decarbonising the economy. Vincent Doumeizel spoke to us from the One Ocean Summit in Brest in north-western France.

Last week, a 17-year-old girl was killed by her husband in Iran. A gruesome video showing the alleged killer holding a knife in one hand and his wife's head in the other went viral before being taken down. The victim was married when she was just 12 years old and had a son. Her name was Mona and she had reportedly fled to Turkey for four months before being persuaded by her father to return.

At least 14 people have died in Rio de Janeiro state after heavy rainfall triggered mudslides this weekend. Brazil has lately been reeling from a pattern of destructive storms.

At least 14 people have died in Rio de Janeiro state after heavy rainfall triggered mudslides this weekend. Brazil has lately been reeling from a pattern of destructive storms.

Helicopters and sniffer dogs joined search and rescue teams on the ground, looking for bodies after heavy rains caused flooding , close to Durban in South Africa on Tuesday

Rio Ferdinand fronting Amazon documentary series about race, mental health and sexuality in football Former Manchester United star Rio Ferdinand is reportedly working on a trio of documentaries for Amazon about race, mental health and sexuality in football.

We look at reactions in the British papers after PM Boris Johnson survives a no-confidence vote. Also, the girl who inspired one of the Vietnam War's defining photos speaks out, 50 years after the picture was taken. Meanwhile, we look at the worrying disappearance of a longtime correspondent for the Guardian and his colleague in a part of the Amazon rainforest notorious for illegal mining and drug trafficking. Finally, we find out why punctuality is making a comeback.

Find these stories and much more when you grab a copy of The Guardian on Saturday.

The event in Portugal will present a nonbinding declaration meant to curb ocean pollution and destruction, as well as discuss financing models for ocean preservation.

At least 18 people were killed in a police raid targeting organized gangs in Brazil’s second largest city of Rio de Janeiro, local media reported Thursday, July 21.