Emergency services respond to a reported collision involving a jet ski and an inflatable carrying children off the coast of Hampshire. The incident occurs near the Calshot Activity Centre at around 6pm the previous day, according to the reports provided. After the collision, at least one person is taken to hospital. The available information does not specify the number of children involved, the severity of their injuries, or the circumstances that led to the crash. It also does not include details on which services attended, such as police, ambulance, or coastguard, or whether any arrests or formal investigations are initiated. The reports focus on the immediate response and the fact that a person requires hospital treatment. Further information about the victims’ condition, whether additional medical transport is needed, and whether weather or waterway conditions contributed is not included in the material provided.