For nearly three weeks Belgium's leading virologist has been living in a safehouse with his wife and 12-year-old son, guarded by security agents.

While scientists across the world have come under attack throughout the pandemic, the threat to Prof Marc Van Ranst is more serious than most.

He has been targeted by a far-right rogue soldier, Jürgen Conings, who has a vendetta for virologists and Covid lockdowns. The military shooting instructor went on the run with rocket launcher and a machine gun, and Belgian police cannot find him.

"The threat was very real," Prof Van Ranst tells me from his safehouse, as he relives the night he and his family were moved into hiding on 18 May.

Read more: BBC News