British Prime Minister David Cameron told NBC Nightly News anchor Brian Williams Tuesday that he is certain ISIS is plotting attacks in Europe. "These people want to kill us," Cameron said. "They've got us in their sights and we have to put together this coalition ... to make sure that we ultimately destroy this evil organization."
For more from Williams's interview with Cameron, watch NBC Nightly News at 6:30pm ET.
"It has oil, it has money, it has territory, it has weapons. And there's no doubt in my mind it has already undertaken and is planning further plots in Europe and elsewhere, specifically in Belgium, in Brussels," Cameron said. "There are other plots they have been attempting including in my own country in order to kill and maim innocent people. And the same applies to the United States of America.'
His warning came as the U.S. and five Arab countries launched airstrikes on ISIS targets in Syria. Cameron said he hasn't "ruled out" British airstrikes.