Belgian authorities have detained a suspect who was driving with gas canisters in the back of his car, setting off a security alert in the centre of Brussels.
Van Avermaet showed the same finishing speed and tactical nous that won him Olympic and Classics glory last year.
One person has been killed and up to 20 others were injured after a passenger train derailed and flipped on its side near the Belgian capital Brussels.
Belgian police have detained three people in a series of anti-terror raids in the Brussels suburb of Molenbeek, where some of the Paris and Brussels attackers lived or transited
The eurozone will go ahead with its bailout programme for Greece with or without the involvement of the International Monetary Fund.