A man and woman in their 80s and another man in his 50s have been left with potentially life-threatening injuries after a house fire on Holyhead Road, Wednesbury.br br Emergency services were called at 3:15am on 11 May following reports of a loud bang.br br Firefighters arrived to find the home severely damaged, with blackened walls and broken windows.br br Fire investigators and police are probing the cause.br br The blaze comes just days after a fatal double house fire in nearby Bilston.br br West Midlands Police urge the public to avoid the area during investigations.