Is Liam Hemsworth trying to out-muscle his big brother Thor?

The Hunger Games star was involved in a crazy street fight in Philadelphia last Sunday, according to TMZ. The altercation began after Liam confronted a guy outside a bar when he thought he had thrown a rock at him and his friend.

Clearly not happy about the situation, Liam punched the man in the face and then held his head down toward the ground. TMZ obtained a video from the fight which shows the a man holding onto Liam’s leg while lying on the ground before the punch.

Watch the scuffle go down after the jump!

Uh-oh! Justin Bieber may have landed himself in some trouble! The singer is reportedly a suspect in a criminal battery case after he allegedly attacked a photographer on Sunday afternoon at the Commons in Calabasas, California, according to TMZ.

Justin was shopping with girlfriend Selena Gomez when the photog tried to snap some photos of the duo, and law enforcement officials tell the gossip site that a physical altercation then broke out between Justin and the photographer.