2 killed in 'deliberate' bus explosions in China

^2 killed in 'deliberate' bus explosions in China

BEIJING, China (CNN) - Two separate explosions on public buses killed two people and wounded 14 others in southwestern China Monday, authorities told CNN.

The blasts were deliberate acts, according to the public security bureau in the Yunnan province of southern China.

Police tightened security at points leading into and out of Kunming, a city in Yunnan province, following the Monday morning blasts, authorities said, but investigators did not immediately make any arrests.