A Yemeni guard opened fire today at the employees of an international oil company in Yemen, killing an Indian national and seriously wounding an American, two Britons, a Tunisian and a Yemeni man, security and local officials said.

A Yemeni guard opened fire today at the employees of an international oil company in Yemen, killing an Indian national and seriously wounding an American, two Britons, a Tunisian and a Yemeni man, security and local officials said.