Drivers on the M4 are facing delays due to a collision on the M4 near Swansea. Motorists are being warned of potentially hazardous driving conditions as Storm Amy brings heavy rain and strong winds to the UK. You can follow our live updates on the storm here. The M4 westbound is partially blocked due to the crash at J44 A4230 Peniel Green Road (Llansamlet). Follow our live updates on this incident below: