Neighbours of the first man arrested said he was a very religious and came from the Kurdistan region of Iraq.
Local butcher Abid Ali said: 'When he's not working he goes to prey at one of the local mosques.
He was born in Iraq and is proud of being a Kurd.'Describing the arrest, nearby resident Sully Ali, 19, said: 'A big van pulled up and six officers got out and jumped this guy.'There were two armed officers there, they didn't have their guns pointed at him but they had them on show.'The guy was smiling.
I didn't hear him saying anything or the police saying anything to him.'Mr Ali said the arrested man worked as a painter and decorator for some local residents.
Police have arrested three more men in connection with the Parsons Green tube bombing after raiding a building said to be a 'halfway house' for asylum seekers.