A man in his fifties dies after being hit by a jet-ski while riding an inflatable with children off the coast of Hampshire, according to reports. The incident occurs on Sunday evening at around 6pm. The man is taken to hospital following the collision. Emergency responders and medical staff provide treatment after the incident, but the man later dies. The reports indicate the man was travelling on an inflatable with children at the time of the jet-ski impact. Details about the jet-ski operator and the circumstances leading to the collision are not provided in the available information. No further information about charges or an investigation is included in the excerpts. The incident is described as a fatal accident involving watercraft near the Hampshire coastline during a period of recreational activity involving children.