Yemen : The state news agency denies there was a plot to take over Mukalla . A Yemeni official says the foiled plot does n't appear linked to the incident that concerned the U.S. ` ` Yemen has taken all necessary precautions '' for safety , the official says . Two air strikes in southern Shabwa killed six militants .
NEW : The state news agency denies there was a plan to take over Mukalla . A Yemeni official says the foiled plot does n't appear linked to the threat that concerned the U.S. `` Yemen has taken all necessary precautions '' for safety , the government says . Two drone strikes in southern Shabwa kill six militants .