Sameeha and Shelina Rahman died in the incident while Musa Ahmed, 7, was flown to hospital

A relative of Shelina and Sameeha Rahman has said the mum and daughter died after members of his family were caught in a particularly strong tide in Mersea, Essex, last Wednesday

Sameeha Rahman, 15, her mother Shelina Rahman, 41, and seven-year-old Musa Ahmed were in the water along with three other family members when they got into difficulty