Talks with acquaintances have not yet revealed links to local al Qaeda group . Local al Qaeda group says the bombing was in retaliation for airstrikes . Yemeni government says claim unlikely because suspect bought weapons before airstrikes . `` We have a strong intelligence cooperation , but again the last operations and all the operations this year were carried out by Yemeni forces . '' Al - Basha says Yemen launched strikes but acknowledged its involvement in Yemen .
Talks with acquaintances have not yet revealed links to local al Qaeda group . Local al Qaeda group says the bombing was in retaliation for airstrikes . Yemeni government says claim unlikely because suspect bought weapons before airstrikes . Al - Basha says Yemen launched strikes but acknowledged its involvement in Yemen .