click to enlarge Photo via Red Entertainment

Rapper Meek Mill is in hot water after an altercation at St. Louis' airport.

Philadelphia rapper Meek Mill has been charged with assault after an altercation with two employees at Lambert International Airport on Wednesday, reports TMZ The rapper, who was in town for Tuesday night's State of Emergency concert at Chaifetz Arena, was reportedly approached by an employee who wanted a picture with him — and Meek wasn't having it.A fight ensued, airport security was called and Meek was charged with misdemeanor assault. The two airport employees were also charged with the same crime.Meek was ultimately issued a summons to appear in court, rather than being hauled away in cuffs. TMZ's video, below, shows him walking through the airport after he was released from police custody.Meek is currently on probation for drug and weapons-related charges from 2009. Last year he was sentenced to 90 days of house arrest for violating his probation.The latest charge may constitute a probation violation as well.We've reached out to Meek's publicist for comment; we'll update this post if we hear back.