Four martyred in coordinated bomb attacks in Sindh.

KARACHI: A powerful roadside bomb and a hand-grenade attack targeting security vehicles hours apart killed at least four people and wounded several others in the country's south Friday, police officials and rescuers said.

Two paramilitary rangers and a passerby were killed in the first attack when a roadside bomb exploded near a security vehicle outside a market in Ghotki, a town in Sindh province, police said. Several other people were wounded in the attack.

According to local media reports, paramilitary ranger troops were in a market to buy food when the blast took place.

The martyred officials were identified as Zahoor Ahmed and Fayyaz Ahmed while the civilian was identified as Ghulam Mustafa. According to the police, Zahoor and Fayyaz would regularly buy meat from the shop. Police said the dead and wounded were transported to a nearby hospital.

Hours later, at least one person was killed when assailants threw a grenade at paramilitary forces guarding a school in the port city of Karachi. Money was being distributed by the government to poor people affected by the coronavirus when the attack took place, police said.

Shortly after...