Toby Alderweireld admits the Paris attacks and subsequent security alerts across Europe have been playing on the mind of Tottenham's players.
Everton striker Romelu Lukaku has decided to move his family out of Molenbeek after recent police activity.
Mousa Dembele never considered leaving Tottenham last season, even when he was out of favour with Mauricio Pochettino.
Belgium coach Marc Wilmots has suggested Marouane Fellaini may have to leave Manchester United to guarantee his place at Euro 2016.
Belgium's friendly with Spain on Tuesday has been cancelled due to security fears in the wake of terrorist attacks in Paris.
Kevin De Bruyne was among the scorers as Belgium came from a goal down to beat Italy 3-1 in Friday's friendly action.