Police were called to an address in Ascot Parade, Bradford at 5.40pm following reports of that a man had collapsed.ã€€
Emergency services attended and found a man, who is believed to be in his fifties, with serious head injuries.ã€€
He was pronounced dead at the scene. ã€€
Police said a 47-year-old man from Bradford has been arrested on suspicion of murder and is now in custody.
The force said enquiries are continuing.