Belgrade, May 9. An official source told the The official added that it would be strange if spies caught by the Government should be expelled from the brought of State, told the press yesterday that, in view of hig. second evacuation warning issued to "American citizens in the Balkan and Danubian countries, there is no excuse if they are trapped should war suddenly strike there.
Mr, Hull said diplomatic dispatches from the Netherlands indicated a great degree of tension, but no definite milit. He said the Ameri-
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