(Reuters) – The Memphis Fire Department has fired two emergency medical technicians (EMTs) and an emergency vehicle driver who responded to the scene of the deadly beating of Tyre Nichols by five city police officers following a traffic stop on Jan. 7. Here is a timeline of the medical response based on videos of the beating released by Memphis police and an account by the Memphis Fire Department: 8:24 p.m. Memphis police officers begin using force on Nichols, yanking him out of his car and onto the ground and, soon after, spraying a chemical irritant into his face. A few minutes later, Nichol…