[1/3] Police officers guard 'The Cenotaph' on the day of a protest in solidarity with Palestinians in Gaza, amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, in London, Britain, October 28, 2023. REUTERS/Susannah Ireland/File Photo Acquire Licensing Rights LONDON, Oct 29 (Reuters) - Britain's most senior police officer said on Sunday he would support a review into the legal definition of extremism in response to criticism of the way his officers handled pro-Palestinian protests in London. Antisemitic and Islamophobic incidents have surged in Britain since a deadly rampage by Hamas gunmen in Israel on Oct. 7,...