A mother has become the fourth member of a British family to die in a suspected carbon monoxide poisoning while on a visit to Bangladesh.
Hosne Ara Islam, 46, died in hospital three months after her family were struck down in the mystery poisoning.
Taxi driver Rafiqul Islam, 51, and son Mahiqul, 16, were found dead the next morning in their holiday apartment while daughter Samira Islam, 20, died in hospital 11 days later.
