Khalid Masood

Police say Masood had copied the low-cost, low-tech attacks encouraged by Islamic State

'His attack method appears to be based on low sophistication, low tech, low cost techniques copied from other attacks'

Khalid Masood, a late Muslim convert, mowed down four people near Britain’s Houses of Parliament

Muslims were on the very front-lines in the Trafalgar Square vigil paying tribute to London`s victims

London attacker Khalid Masood sent an encrypted message via WhatsApp minutes before the attack

Khalid Masood had been in the kingdom for two one-year periods, from November 2005 and April 2008

He was brought up by a single parent in the town of Rye, on the southern English coast