sentences:  In 1449, a fleet organised by Henry VI to keep the Channel free of pirates, turned to piracy themselves under the charge of Robert Winnington, attacking the Bay fleet in an unprovoked peace time assault.Sixty Hanseatic ships and fifty ships from the Low countries were taken by the privateers to the Isle of Wight, released only after diplomatic pressure.Appearing crown-sanctioned, the attack sparked outrage amongst the Hanseatic League and a period of reprisals occurred.