BBC Three

Stacey Dooley follows a squad of Ukrainian civilians from the moment they land on British soil for five weeks of gruelling training, designed to give them the skills they will need to 'survive and to be lethal' in the war against Russia.

Follows Roman as he immerses himself in schools, youth centres and treatment settings, meets with experts and charities, and visits Parliament to try to understand the potential solutions for improving the mental health of young people.

At 11 years old, Alex Batty vanished on what was supposed to be a short family holiday with his mother and grandfather. An international missing persons investigation was launched, but years passed without a trace. Then, six years later, a teenager appeared on the side of a road...

This is BBC Three. Programmes start at 7.00pm.

This is BBC Three. Programmes start at 7.00pm.

A round-up of the day's news.

On a trip to Mexico, Steve Backshall takes to the water in search of a monster of the deep seas. Later, he takes to the deadliest desert stalking the biggest wasp in the world.

Steve Backshall takes to the icy waters of Vancouver in search of the biggest, baddest sea lion in the world. After an unexpected encounter with a killer whale, he heads back to the city on the trail of one smelly contender before trying his hand at becoming a raccoon. Despite...

Richard Hammond is dropped into the remote, frozen wastes of Canada to test a watch with a built-in emergency beacon. Also in this show, Clarkson is on the track in the new 471 horsepower Lexus RC F coupe.

In the mood to test the Traitors, Karine issues the infamous Murder in Plain Sight challenge, but one false step could prove fatal.

The guests learn the hard way that having their voices heard is not always guaranteed and for one player, it's not even an option.