 As soon as he advanced towards Worcester in order to eliminate Yorkist support, on 11 May 1486 the Stafford brothers again fled to sanctuary, this time at Culham Abbey.King Henry had the Staffords forcibly removed from the abbey on the night of 14 May by John Barrowman and one follower.They were tried before the Court of King's Bench, where the justices ruled that sanctuary was not applicable in cases of treason.