The Interior Ministry has directed to ban motorcycles with no registration plates in all Yemeni governorates after several Yemeni officers were assassinated by gunmen on motorcycles.
The ministry stated that security campaigns will be conducted to pursue those motorcycles which have no registrations plates.
Al-Qaeda in the Arab Peninsula had called its members to use motorcycles and avoid using vehicles after US drones increased against them.
It further cautioned its operatives against using cell phones, urging them to use internet under coded names.
On Wednesday, a Yemeni officer was assassinated by a gunmen on motorcycle nearby the Interior Ministry.
Yemeni security sources said that the incident carries the hallmarks of al-Qaeda, pointing out that they have no evidence about that.
A Yemeni analyst and specialist on terror groups, Saeed al-Jomahi, has said that Al-Qaeda will continue carrying out assassinations against Yemeni military officers.
Most assassinations focus on individuals working in counterterrorism operations, particularly officers of the Political Security, an intelligence service.
The Interior Ministry has recently launched a anti-weapon campaign in which it focused on combating gun spread and carrying in main cities.
Meanwhile, traffic accident average largely raided in Yemen and high percentage of accidents were resulted by motorcycles.
Yemen's security authorities have stated that about 1700 Yemenis were killed in traffic accidents during the first nine months of 2012.
Official statistics say that about 8518 were wounded with different injuries in trafic accidents that exceeded 6,000.