FILE - In this March 22, 2012 file photo, Sanford Police Chief Bill Lee speaks to the the media during a news conference as city manager Norton Bonaparte Jr. listens at left, in Sanford Fla. Lee, who was strongly criticized for his agency's initial investigation of Trayvon Martin's slaying, was fired Wednesday, June 20, 2012, city officials said. (AP Photo/Julie Fletcher, File)

SANFORD, Fla. - The central Florida police chief who was strongly criticized for his agency's initial investigation of Trayvon Martin's slaying was fired Wednesday, city officials said.

City Manager Norton Bonaparte said in a statement that he relieved Chief Bill Lee of duty because the manager said he "determined the Police Chief needs to have the trust and respect of the elected officials and the confidence of the entire community."

"We need to move forward with a police chief that all the citizens of Sanford can support. I have come to this decision in light of the escalating divisiveness that has taken hold of the city," Bonaparte said.

Sara Brady, a spokeswoman for the former chief, said Lee and Bonaparte met Wednesday morning to discuss his termination.

"They had a discussion this morning, but the details were not worked out, and that is how it was left," Brady said.

The initial lack of an arrest following the fatal shooting of Martin, an unarmed black teenager, by neighbourhood watch volunteer George Zimmerman in February led to protests across the nation and spurred a debate about race and the laws of self-defence. Zimmerman's father is white and his mother is from Peru.

The local prosecutor recused himself from the case, prompting Gov. Rick Scott to appoint special prosecutor Angela Corey, who charged Zimmerman in April with second-degree murder. The 17-year-old Martin was fatally shot following a Feb. 26 altercation with Zimmerman, who claims self-defence and has pleaded not guilty.

Lee took a leave of absence in March and offered his resignation in April. The city council rejected Lee's resignation by a 3-2 vote. Several council members indicated they wanted to let a Department of Justice review of the police investigation play out before making a final decision.

Martin's family and legal team addressed Lee's firing during a news conference at the National Association of Black Journalists' annual convention in New Orleans.

"The family's response and statement is that the city manager of Sanford had an internal investigation into the matter concerning Bill Lee," attorney Benjamin Crump said. "He concluded that investigation and made his decision. The parents of Trayvon Martin respect the decision of the city manager. They remain vigilant in getting justice for their son and the tragedy that claimed his life."

In May, Rick Myers took over as Sanford's interim police chief, saying he wanted to heal the emotional wounds caused by Martin's death. He has said he would reach out to people in Sanford who feel they've been ignored by the police.

Bonaparte said in a statement that he had been in contact with the Police Executive Research Forum about the search for a successor to Lee.

"I believe that there are many law enforcement officials who will find accepting the opportunity to serve as Sanford's Police Chief a welcome challenge for their careers", the city manager said. "I expect the search for a new chief to take several months."

Lee will receive three months of severance and one week's salary, in addition to any earned time off, under his contract.

"I wish Chief Lee all the best in his future endeavours," Bonaparte said.

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Associated Press writer Errin Haines contributed to this report from New Orleans

News from © The Associated Press, 2012