 The Kentish rebels had assembled a wide @-@ ranging list of people whom they wanted the King to hand over for execution . It included national figures , such as John of Gaunt , Archbishop Sudbury and Hales ; other key members of the royal council ; officials , such as Belknap and Bampton who had intervened in Kent ; and other hated members of the wider royal circle . When they reached the Marshalsea Prison in Southwark , they tore it apart . By now the Kent and Essex rebels had been joined by many rebellious Londoners . The Fleet and Newgate Prisons were attacked by the crowds , and the rebels also targeted houses belonging to Flemish immigrants . 
