Paz de la Huerta was involved in an altercation with Samantha Swetra Sunday night.
The Boardwalk Empire actress and The City star attended a party at The Standard Hotel, with sources telling TMZ the former started to hit on the latter's date. When Swetra remarked on how drunk de la Huerta appeared to be, she responded by throwing a drink and a fist into Samantha's face.
Insiders say shards of the glass became lodged in Swetra's leg, while Lindsay Lohan - yes, she was actually around for the incident - assisted Samantha and Paz was escorted out by security.
The actress was arrested last night. Swetra filed a police report this morning, but no charges have been filed yet.