London - London Police just released a statement on the man believed to be responsible for the terrorist attack in Westminster yesterday that left five dead. Police said the attacker is now formally identified as Khalid Masood. He is aged 52 years old and was born in Kent and detectives believe he was most recently living in the West Midlands. Masood was also known by a number of aliases. Masood was not the subject of any current investigations and there was no prior intelligence about his intent to mount a terrorist attack. However, he was known to police and has a range of previous convictions for assaults, including GBH, possession of offensive weapons and public order offences. His first conviction was in November 1983 for criminal damage and his last conviction was in December 2003 for possession of a knife. He has not been convicted for any terrorism offences.