UK MP's murder: Suspect Harbi plotted attack on David for a week, say reports

Shocking details of the murder of UK MP Sir David Amess have emerged with reports suggesting that the suspect, a Somali descent, had planned the stabbing more than week before. The suspect has been identified as Ali Harbi Ali – a 25-year-old British Muslim of Somali heritage who a few years ago was referred to ‘Prevent’, the UK's scheme for those who were thought at risk of radicalisation. Reports say that “a potential motivation linked to Islamist extremism” is being probed. Watch this report for more.