The anti-corruption campaigner led mass street protests against Vladimir Putin in 2011-12.
Donald Tusk says offer to EU nationals could "worsen the situation" as Theresa May defends her plan.
Three children, and two adults who tried to rescue them, die at a water park in north-west Turkey.
Macron's charm offensive as he debuts in Brussels
What has happened since the Brexit vote?
Spymaster ran network of agents in West
Toxic family feud as Germany mourns unifying leader
Migrants risk smugglers despite Austria lorry tragedy
The terrible dilemma posed by Portugal fires
Broadcast time 19:06 BST - 19:30 BST
Broadcast time 20:06 BST - 21:00 BST
Broadcast time 21:06 BST - 22:00 BST
Broadcast time 23:06 BST - 23:20 BST