SAN'A, Yemen Feb. 14 A suspected al-Qaida member who blew himself up after being cornered by security forces in a San'a suburb was related to one of the 19 Sept. 11 hijackers, Yemeni security officials said Thursday. Sameer Mohammed Ahmed al-Hada, who died in the confrontation with police Wednesday, was a brother-in-law of Khalid Almihdar, the officials said on condition of anonymity. Al-Hada, 25, was also a brother-in-law of one of 17 men named by the FBI in an alert issued Monday warning of a possible terrorist attack in Yemen or the United States, according to a U.S. government source, ...