An 18-year-old who was found drunkenly wandering the streets with a knife has told a court he was very remorseful.Keiran Robson, of Boutport Street, Barnstaple, pleaded guilty to possessing a knife in a public place at North Devon Magistrates Court on Friday. He had been out in the town in the early hours of April 17 and was hammered when he fell out with his brother in a nightclub. Robson left the club and returned home, but his brother later turned up and he said he felt threatened. Tony Dart, defending, said Robson fled the house, automatically grabbing his keys and his work Stanley knife. He said: He knows he wasnt sensible on this particular night and he is very embarrassed. Robson was found by police after he was spotted on CCTV with the knife. Magistrates imposed a six-week curfew between 8pm and 6am as punishment.