By Ryan Merrifield A search is under way for a woman and baby last seen in Glasgow city centre. Police say they are very concerned for the welfare of the woman and infant, believed to be aged between four and six months. They were last seen together at about 4.20pm on Wednesday leaving a supermarket in the Jamaica Street area of Glasgow and walking north towards a bus stop. The baby was dressed in a red snowsuit with a hood and pink hat when last seen. The woman is described as a white Eastern European, with blonde hair tied up with a green scrunchie. She is believed to be wearing a black jack…