Rail travel descended into chaos on Sunday evening after a deer was struck and killed by a Great Western Railway train on Sunday .
Severe delays and cancellations plagued the Great Western Railway service between the Westcountry and London after the animal wandered onto the line sand was struck.
Passengers travelling on the train near Kemble to London Paddington are being force had to disembark after the power units ABS Braking system was damaged following the animal strike. The effect serve will attempt to limp into Swindon.
Those onboard have be uninjured