a court has been hearing how a 23 year old man being held in a police station in south london shot dead a metropolitan police officer while he was handcuffed, using an antique revolver that he had hidden. the jury was shown cctv of the moment sergeant matt ratana was shot in the chest without warning. louis de zoysa admits firing the fatal shot, but denies murder. controversial plans to bring back a deposit return scheme for bottles and cans in scotland have been delayed again. the scheme was meant to go live this summer. it was then pushed back to march next year. now, it won t be rolled out until at least 2025. the delay is because of a row between holyrood and westminster which wants glass excluded to enable a consistent uk wide approach. hello. we are heading for a spell of warmer weather. on top of that, increasing humidity