Belgian coach Georges Leekens on Thursday unveiled the following 25-strong squad for friendlies against Romania on 11 November and France on 15 November. Sunderland\'s injured goalkeeper and Belgian regular Simon Mignolet is unavailable after undergoing surgery on the broken nose suffered in the recent draw with Aston Villa, meaning a chance for 19-year-old Thibaut Courtois of Atletico Madrid. Midfielder Radja Nainggolan is called up for the first time after recent fine displays in Italy with Cagliari. Arsenal defender Thomas Vermaelen is back as is winger Nacer Chadli of Dutch outfit FC Twente after a prolonged injury absence. Chelsea\'s Romelu Lukaku is also in the squad. Belgium squad: Goalkeepers: Thibaut Courtois (Atletico Madrid/ESP), Jean-Francois Gillet (Bologna/ITA), Olivier Renard (FC Mechelen) Defenders: Toby Alderweireld (Ajax/NED), Vincent Kompany (Manchester City/ENG), Nicolas Lombaerts (Zenit St Petersburg/RUS), Daniel Van Buyten (Bayern Munich/GER), Anthony Vanden Borre (RC Genk), Thomas Vermaelen (Arsenal/ENG), Jan Vertonghen (Ajax/NED) Midfielders: Nacer Chadli (FC Twente/NED), Kevin De Bruyne (RC Genk), Steven Defour (FC Porto/POR), Moussa Dembele (Fulham/ENG), Marouane Fellaini (Everton/ENG), Guillaume Gillet (Anderlecht), Eden Hazard (Lille/FRA), Dries Mertens (PSV Eindhoven/NED), Radja Nainggolan (Cagliari/ITA), Vadis Odjidja Ofoe (FC Bruges), Timmy Simons (Nuremberg/GER), Axel Witsel (Benfica/POR). Forwards: Romelu Lukaku (Chelsea/ENG), Kevin Mirallas (Olympiakos/GRE), Jelle Vossen (RC Genk).