London: Police investigating the Westminster attack said on Monday that they have found no evidence that killer Khalid Masood had any links with radical Islamist groups such as ISIS or Al Qaeda.

In a briefing at New Scotland Yard, Deputy Assistant Commissioner Neil Basu, senior national coordinator for UK Counter Terrorism Policing, said there was also no evidence that Masood had been radicalised while serving a jail term in a British prison, Xinhua news agency reported.