Car explodes at the entrance of Yemen's Aden airport; Casualties reported

A car exploded near the entrance of theinternational airport ofYemen's southern port city of Aden on Saturday, resulting in at least 12 casualties.One security source said the car exploded at an outer entrance to the airport near a hotel.

"Twelve civilians were killed in an explosion" in the vicinity of Aden airport and "there are also serious injuries", said the official, who spoke on condition of anonymity. The cause of the blast remains unknown.

Aden is the temporary home ofYemen's internationally-recognised government. The current government comes as apart of a coalition backed by Saudi Arabia, who havebeen fighting the Iran-aligned Houthi group for nearly seven years.The government and the Southern Transitional Council (STC) are nominal allies under the Saudi-led coalition.

This comes almost three weeks after six people were killed in a car-bomb attack that targeted Aden's governor. However, he managed to survive.

Instability in the south complicates various peace efforts led by the United Nationsto end the war inYemenwhich has killed tens of thousands of people.

Yemenalso happens to be thehome to Al-Qaeda in the Arabian Peninsula. The militant organisation keeps launchingperiodic attacks againstfighters aligned with the country's authorities as well as the insurgents.