People are being encouraged to give blood at donor sessions across the area.
Sessions will take place at Central Methodist Church, Pontefract, on Friday, March 14, from 1.30pm-3.45pm and 4.45pm-7.30pm.
There will be sessions at The Grove, South Kirkby, on Monday, March 17, from 2pm to 4pm and 5pm to 7.30pm.
You can also give blood at Kinsley and Fitzwilliam Learning and Community Centre, Wakefield Road, Kinsley, on Thursday, May 1, from 2pm to 4pm and 5pm to 7.30pm.
For more information, visit www.my.blood.co.uk or call 0300 1232323.