CCTV footage showing a man walking along a street in Gospel Oak, north London is being examined by police investigating the killing of Conservative MP Sir David Amess. A 25-year-old man has been arrested and remains in custody on suspicion of murder, but it is unclear whether he is the man featured in the footage. Report by Buseld. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
