In Yemen, a missile fired by a US drone has killed three al-Qaida militants who were driving in a vehicle in the country's southern province of Shabwa. Yemeni officials say one of those killed in yesterday's attack was an operative close to the al-Qaida leader in Yemen, Saad al-Awlaki. <br/>'<br/>Washington has intensified its attacks on al-Qaida in Yemen since President Donald Trump took office earlier this year.<br/><br/>