2 Chainz Arrested After Tour Bus Standoff

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2 Chainz performs during HARD Summer 2013 day 1 at LA State Historic Park in Los Angeles, CA.

2 Chainz was among the 11 men arrested Thursday morning in Oklahoma City after refusing to allow police officers to search their tour bus following a concert.

The rapper's bus was being stopped overnight due to broken taillights when police suspected there was illegal drug use inside. A request to board the vehicle without a search warrant was denied and a nine-hour standoff ensued, police say. During this time period, the rapper -- real name Tauheed Epps -- voiced his frustration in a message on Twitter.

At around 7:30 a.m., the bus was towed to a police training center where the warrant was served. The passengers exited and were arrested, then taken to the Oklahoma County jail "on complaints of interfering with official process," said police Sgt. Jennifer Wardlow.

The men were booked for obstruction of a public officer. They include: Stephen Boykin, 29; Cedric Brooks, 31; Jack Brown, 32; Epps, 35; Bryan Gathii, 28; Robert Jordan, 38; Abdullah Mujahid, 52; Jermaine Simister, 37; Leon Smith, 36; Rory Smith, 43; Marshall Sudderth, 26.

The "Mercy" rapper and Boykin were last arrested together in February in Maryland on drug charges.

2 Chainz was in OKC to open for Lil Wayne at the Chesapeake Energy Arena. "OKC u were wonderful," Wayne tweeted following the show.

Following his release Thursday afternoon, 2 Chainz said he was "too blessed" to stress about the incident and denied any wrongdoing.