An explosive device has exploded on the main road between Ataq and Naqbah in Shabwa province, killing four civilians and wounding three others. The province's security committee explained that the results of the investigation showed that the explosive device targeted a military patrol, coinciding with passing of the victims' car. Expressing its regret for this aching criminal incident, the committee affirmed that the incident carries the hallmarks of al-Qaeda terrorist organization. The committee called on citizens to take caution for such terrorist acts.