Teenager denies killing and dismembering his mother

A teenager in the US charged with killing and dismembering his mother and the 50-year-old paedophile accused of influencing him has pleaded not guilty to murder and conspiracy.

Angel Rosa, 15, in jeans and sneakers, appeared briefly in Erie County Court, in Buffalo, New York, calmly answering, “Yes I do, sir,” when asked by the judge whether he understood the proceedings.