(KUNA) -- A soldier was killed and two others were wounded on Saturday, while three power towers were damaged in Southwestern Baluchistan province in different bombings and rocket attacks, said Levies sources. Unknown militants fired several rockets on a security vehicle while on patrol in the gas-rich Sui district, about 300 kilometers east of the provincial capital of Quetta, sources told KUNA. They said the attack left one soldier dead and wounded two others. Sources added that the vehicle was badly damaged in the attack.In another incident, militants damaged three 11000 KV power towers in the same area, suspending electricity supply to Sui and its adjoining areas, sources said. They said the repair work is expected to be completed within next 24 hours.