Transported in Another World - Philippines

A very modern Philippines is thrown in another world by a strange bright light, everyone thought it's just a science experiment for the space elevators that's being built. But no, when everyone recovered from their daze the sky is totally different than normal. Strange birds are seen flying in the sky. Everyone panicked, so the government have no choice but to issue a state of emergency. The Armed Forces are tasked to keep peace in the country and to establish contact with the neighboring countries as the communication is severed. But the Armed Forces are surprised when they encountered flying monsters with medieval looking soldiers mounted on their backs attacking a town. The scene is so gruesome that the soldiers have no choice but to attack the monsters and the soldiers, defending the town. The country is now confirmed, in fact another world. What would the Philippines do now?