family members made "significant efforts to help each other"A seven-year-old boy who was critically injured in the West Mersea beach tragedy has died in hospital, bringing the death toll from the incident to three. The tragedy unfolded on July 22 when Musa and five members of his family got into difficulty while swimming at West Mersea, near Colchester, Essex. The family, from Ilford in east London, had travelled to West Mersea for a day trip when the incident occurred. Essex Police said family members made “significant efforts to help each other” as they struggled in the sea. The incident has also prompted renewed calls for improved beach safety measures at West Mersea.