Belgian soldiers stand on guard outside the US Embassy in Brussels, capital of Belgium, on Jan. 17, 2015. 150 Belgian troops were deployed at sensitive sites in Brussels and Antwerp to upgrade security presence after a series of raids on suspected Islamic jihadists in various locations across Belgium with 13 arrests on Thursday evening and two people killed as part of a raid on a premise in the eastern town of Verviers. Another 150 troops will be deployed next week, as local media reports.(Xinhua/Zhou Lei)