Early in the game, when Leon first enters the village, he should avoid the door that belongs to the building where Leon can get a free shotgun (the largest northeast building). Simply do not run into the house that triggers the cutscene. While Leon will still need to kill zombies to progress, he will not have to deal with the chainsaw enemies, who may be fairly tough on the out-set. After the bell rings, feel free to enter the house and collect the items and shotgun inside.