Rapper Killer Mike detained after historic Grammy wins, LAPD reports.
LAPD's Mike Lopez cites arena altercation as cause for Killer Mike's detainment.
Killer Mike, 48, faces misdemeanor charges, revealed LAPD spokesperson Mr. Lopez.
Released post-detainment, Killer Mike scheduled for court appearance later this month.
Scene video captures rapper Killer Mike, aka Michael Render, escorted in handcuffs by police.
Detention followed Killer Mike's first Grammy wins in 20 years, three awards in total.
Killer Mike's song clinches best rap song and best rap performance at the Grammys.
Third award secured as Killer Mike's album "Michael" declared best rap album.
Rapper, 48, declares Grammy wins for those who think they're "too old to rap."
Eyewitnesses report cries of "free Mike" as the rapper is led away in handcuffs.