By Mia O’Hare A My Mum, Your Dad star has been rushed to hospital alongside their co-star. Zachary Davidson, 21, was seen wearing a hospital gown and lying in a bed in photos shared on his dad Elliott’s Instagram. The P.E teacher, 53, gave updates to their followers as his son was treated by health care professionals. Zach had a tube in his mouth in one of the photos. Elliott hinted Zach had suffered a sports injury as he said: “It was a long day but all done, hopefully Zach can get back to playing again.” However, it appeared the injury wasn’t too serious as an exhausted Elliott filmed himsel…