THE HAGUE (Reuters) -Deputy Prime Minister Dominic Raab said on Monday Britain backed an International Criminal Court investigation into allegations of war crimes in Ukraine “to the hilt”, and that the ICC should be offered extra support by member countries. After Russia’s invasion of Ukraine on Feb. 24, ICC chief prosecutor Karim Khan said he had opened a formal investigation into possible atrocities on Ukrainian soil since 2014, when Moscow-based separatists seized part of the country’s far east. “It is important to get the deterrent message out to commanders on the ground in Ukraine and in …