Ukraine’s government says it is drawing up plans to withdraw its troops from Crimea, where Russia is steadily taking formal control as its armed forces seize military installations across the peninsula.

Latvia’s prime minister has resigned after accepting responsibility for the collapse of a supermarket roof in the capital that killed 54 people and wounded at least 40 others.

A massive third section of the roof at a Latvian supermarket where at least 54 people were killed has fallen as emergency workers searched rubble nearby for more victims.