On 1 October 2012 , at approximately 20:23 HKT , the passenger ferries `` Sea Smooth '' and `` Lamma IV '' collided Motion off Yung Shue Wan , Lamma Island , Hong Kong .

In the opening stages of the attack , known as The Crossing ( العبور ; `` al-'obour '' ) , combat engineers used Using water cannons to rapidly clear Emptying numerous passages through the sand wall lining the east bank of the canal , laid bridges and operated ferries , allowing armor to cross Motion_directional .