Six O'Clock News

Romania expels a Russian diplomat and announces plans to strengthen its air defences -- after a drone crashed into an apartment block close to the border with Ukraine.A Canadian man who sent toxic chemicals to people in dozens of countries – including the UK, Australia and Italy – has pleaded guilty to aiding suicide.President Trump says he is meeting advisers at the White House to decide whether to back a proposed agreement with Iran.NASA considers how its plans for a permanent base on the Moon will be affected after a Blue Origin rocket dramatically exploded on the launchpad.And the charity hikers who were booed at the top of the highest mountain in Wales.