Brexit would threaten economic, national security: Cameron

London (AFP) - Prime Minister David Cameron on Monday warned that Britain's departure from the European Union would threaten its economic and national security, as the pound plunged on Brexit concerns.

"We need to properly face up to the economic consequences of a choice to leave," he said, warning that it would be "a great leap into the unknown".

Cameron also warned about global threats from Russia and the Islamic State group, saying: "The challenges facing the West today are genuinely threatening... In my view this is no time to divide the West."

In a barb at London mayor and Conservative party rival Boris Johnson, who declared on Sunday that he would vote to leave the EU, Cameron said: "I have no other agenda that what is best for our country." .... http://news.yahoo.com