ANDOVER, Minn. -- A father of four was fighting for his life at aMinneapolis hospital after he was allegedly savagely beaten by a SWATofficer.Vander Lee was talking loudly on his cell phoneon the patio of the Tanners Station restaurant in Andover on Saturdaynight when another man asked him to be quiet, myFOXtwincities.comreported.Minutes later, Lee's friend Mike Archambault said the cell phone went dead after he was allegedly attacked.Archambault said, "He did a Superman punch. Brianwent back, feet up in the air, and the guy landed on top of him and hishead bounced off the concrete."Lee was rushed to the hospital where he underwent emergency surgery for bleeding on his brain. The attacker fled the scene.At least ten witnesses on the patio, includingLee's wife, told investigators the suspect was possibly a Minneapolispolice officer.Sgt. David Clifford handed himself in to theAnoka County Jail on Sunday afternoon. He made a statement and wasbooked into the jail on charges of first and third-degree assault.Sgt. Bill Palmer, with the Minneapolis PoliceDepartment, said Clifford had been with the department since 1993 and isan executive officer of the SWAT team.Archambault said, "I think he realized now, Idon't think he realized how serious it was last night.And now that wordgot out -- that Brian is in the condition he's in -- that he better dowhat's right."Brian Vander Lee was on life support on Sunday after two brain surgeries. Doctors are hopeful, saying his vital signs look good.