The peace party in Utrecht then imprisoned Jan van Montfoort and Engelbert of Cleves, and gave back the power to David of Burgundy. Only back in control of the city of Utrecht since April 21, 1483, Prince-Bishop David of Burgundy was surprised in his old episcopal palace by a daring and stealthy night raid of the Hooks on May 8. The Prince-Bishop was captured and imprisoned in Amersfoort.