(VOVworld) - Vietnam's Aviation Search and Rescue Command has announced its termination of searching effort for the missing Malaysian airliner. It has requested the searching operation of foreign airplanes and vessels on Vietnamese waters and FIR to stop so as to facilitate resumption of normal management. This follows Malaysia's cancellation of searching efforts in the East Sea and Vietnamese air space. Malaysian authorities will switch their focus on the Northern corridor in the borders of Kazakhstan, Turkmenistan, northern Thailand plus the Southern corridor from Indonesia to southern Indian Ocean.