SANAA - Unidentified assailants hurled a hand grenade at the house of Yemen's Information Minister Ali al-Amrani in Sanaa, injuring one person when they opened fire as they fled the scene, the minister's office said on Sunday.

Abdel-Basset al-Qaedi, a member of the minister's staff, said two men on a motorcycle threw the grenade at a wing of the building housing the minister's bodyguards late on Saturday, causing no casualties. A bystander was injured in the foot during a shoot-out as the men escaped, he added.

The incident underscored the fragile security situation in the country, where President Abd-Rabbu Mansour Hadi, urged on by the United States, is trying to crush Islamist militants linked to al-Qaida in the south.

In January, gunmen opened fire on the information minister's car in an apparent assassination attempt, and on Saturday Bulgaria's ambassador to Yemen escaped an apparent kidnap attempt in the capital.

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