Talks with acquaintances have not yet revealed links to local al Qaeda group . Local Al-Basha group says attempted bombing was in retaliation for airstrikes . Sanaa spokesman says claim unlikely because suspect bought ticket before airstrikes . al Qaeda says Yemen launched strikes but acknowledged Yemen involvement in U.S. .
Talks with acquaintances have not yet revealed links to local al Qaeda group . Local al Qaeda group says attempted bombing was in retaliation for airstrikes . Yemeni spokesman says claim unlikely because suspect bought ticket before airstrikes . Al-Basha says Yemen launched strikes but acknowledged U.S. involvement in Yemen .