Liam Hemsworth Films 'Paranoia' After Philly Bar Brawl

Liam Hemsworth films night scenes for his upcoming flick Paranoia on Thursday (December 13) in Philadelphia, Penn.

The 22-year-old actor was involved in a bar brawl earlier in the week in which he was caught throwing a punch to a guy on the street.

Liam reportedly confronted the guy after he thought he threw a rock at him and his friend, according to TMZ.

Also pictured: Amber Heard filming scenes with Liam and walking around the set with a security guard earlier in the day.

20+ pictures inside of Liam Hemsworth and Amber Heard on set…