Holly Mason from the NHS Blood and Transplant service says there are concerns that fewer people will donate blood this year because of major events like the Olympics.
More top news
It was also announced that the bowls at the 2022 event will be held in Leamington if Birmingham is successful in its bid to host the Games.
Sean Cawthray had been released on licence after serving a proportion of a life sentence for kidnap, he went on the run two months ago.
Officers searching for a missing girl in Redditch have released a CCTV image of a man they would like to speak to.