here in london, where two of the three men who carried out saturday s terror attack in london have been named by police. 27 year old khuram butt was a british pakistani living in east london and he had been known to police and mi5. the other attacker was thirty year old rachid redouane, also from east london. our home editor mark easton has more. they knew him. one of the three men who murdered seven people in london on saturday night was well known to police and mi5 as an extremist. documentary voiceover: the group display the black flag of islam. khuram butt, featured in a channel 4 documentary last year on radical islamists in britain. its title thejihadis next door. so how was he able to go on to kill until counterterrorism officers shot him dead? police have tonight confirmed the names of two of the attackers. khuram butt, a 27 year old from a british pakistani family. he lived in barking in east london and was married with two children including a young baby. in the l