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Sana'a - At least two people were killed and over 20 injured when a man threw a hand grenade at a crowd of university students in the Yemeni capital Sana'a on Saturday, police said.
Police officials said the attacker threw the grenade at a group of students gathered at a bus stop outside the university's main gate during the morning rush hour.
They said the assailant had been arrested on the spot, and initial investigations had shown a personal motive.
One student died at the scene while the other died of his injuries in hospital, medical sources said.
Three of the injured were in critical conditions, they said. - Sapa-dpa