Waving a Palestinian flag on British streets "may not be legitimate" if it is done to show support for acts of terrorism, the home secretary has told police chiefs. In a letter to chief constables across England and Wales, Suella Braverman urged officers to use the "full force of the law" against shows of support for Hamas following its unprecedented attack against Israel. It comes after vigils were held in Westminster for Israeli civilians killed and held captive, while pro-Palestinian rallies took place outside the Israeli embassy in Kensington. Read more: Israel vows to 'wipe out' Hamas - live updates...