RAWALPINDI, Pakistan – A suicide bomber attacked a Pakistani military bus taking medical corps staff to work in the garrison city of Rawalpindi on Monday, killing himself and four military personnel, security officials said.

Serbia’s pro-Western President Boris Tadic won a narrow re-election against nationalist challenger Tomislav Nikolic on Sunday in a vote seen as a referendum on the nation’s future ties with the West as it faces the loss of Kosovo.

The re-election of pro-Western liberal Boris Tadic as president of Serbia on Sunday is expected to soothe investor concerns about the country’s stability ahead of the imminent declaration of independence by its Kosovo province.