Boy, 7, dies after beach tragedy that killed mum and daughter

Musa Ahmed is the third person to die after getting into difficulty in the water last Wednesday.

Musa Ahmed was being treated in intensive care in London hospital after being pulled from West Mersea sea A seven-year-old boy has died a week after an incident off the Essex coast in which his teenage cousin and her mother died as they tried to rescue him. Musa Ahmed was being…