You, Burnin(Endeavour’s sidekick), Bakugo, Todoroki, Deku, Uraraka and Tsuyu were evacuating civilians out of the city before it was a war zone.In the middle of the road during evacuation Deku stopped and he had a horrified look on his face

Uraraka:”Deku?you alright?”

Deku looks at the mountain hospital

Todoroki:”Midoriya?”

the mountain where the hospital(which is evacuated) is, is heard crumbling