When you return, friendly reinforcements have arrived.

In the middle of a battle with the enemy, run to this overpass and get a heavy machine gun, here it is best to get down, the cover on the bridge is virtually useless, a shot can fly, after getting down and aiming you can stand up the stand, so that the accuracy of the gun is improved and the recoil is reduced. The enemy on the street kept coming, wait for the friendly helicopter to come and help kill all the enemies and then return to the vicinity of the bomb, get into the jeep and use the machine gun to kill the enemy, finally an earthquake occurred and Blake was shaken from the car, the building in front of him collapsed and then fell unconscious.