Friends' tributes to stab victim

Detectives have launched a murder inquiry after a teenager was stabbed to death in north London.

Named locally as Joshua Folkes, the 17-year-old was attacked in Palmers Green in the early hours of this morning.

Friends have paid tribute to Joshua. Azra Valentino, 18, said although Joshua associated with people who were "a little bit edgy", he was a good person with the "cutest smile" and "wasn't like that":

Dan Hewitt reports: