But an officer close to the investigation, said: ‘That is a hypothesis the investigators are working on.’
Reports in the Belgian media also say that the taxi driver who took the suicide bombers to the airport on Tuesday morning has said he believes the man wearing the white jacket and hat is Cheffou.
Cheffou lived in a small studio in an apartment building just 500 metres from Maelbeek metro station, De Morgen reported.
Police cleared the building of all residents and spent five hours searching his small home, the paper said.
No weapons or explosives but some key material was reportedly ‘found.
Cheffou, thought to be a freelance journalist, is known to the authorities for drugs and violence, the paper claimed.
It is also said his sister reported to police in 2014 saying she was worried he was planning to go to Syria but was ‘waiting the right moment’.