Screaming for HELP

Jack can't figure out where is the best option for him to go inside. It was even dark at the main door, he thought that attackers( living-dead) might be there and waiting for someone to be their food. And Jack didn't want to take that risk, he were still thinking of a way when suddenly he heard a loud noise.

"HELP! SOMEBODY HELP US PLEASE!" When Jack heard that loud noise and turned his head to where it came from.

He saw someone up on the third floor of the building, waving his hand. Jack was trying to look vividly and familiarizing it. It was a men.