"We should be proud how safe London is," says Sir Mark Rowley, Commissioner of the Metropolitan Police. London's police chief has rejected claims that the city is getting more unsafe - as figures show the capital's murder rate is now at its lowest for a decade. Tonight, Channel 4 News goes inside the Met units which tackle homicide, knife and gun crime to examine what’s really happening on the ground. #MetPolice #London #MarkRowley #Crime #C4News