Orlando police reportedly were closing in Monday on an “armed and dangerous” murder suspect wanted in the shooting that killed a police officer outside a Walmart earlier in the day, sparking a manhunt that stretched for hours.

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The suspect, identified as Markeith Loyd, was accused of murdering his pregnant ex-girlfriend last month, Fox 35 reported, adding that police had never caught him.

In a sign the manhunt was nearing an end, an Orlando SWAT team surrounded an apartment complex a couple miles northwest of the Walmart with rifles drawn, demanding Loyd step outside, according to the Orlando Sentinel. Police hiked their reward for information on his whereabouts to $60,000.

Earlier in the day, a traffic crash killed an Orange County deputy sheriff taking part in the manhunt, the sheriff announced.

“We’re going to bring this dirtbag to justice,” Orlando Police Chief John Mina told reporters. “There’s going to be someone who knows where he is.”

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Loyd had been arrested 20 times in Orange County since 1994, according to court records.

Police said the officer killed was Master Sgt. Debra Clayton, a 17-year veteran of the force and mother of two, married for one year. Officials did not identify the deputy who died. At least 64 officers were killed in gun-related incidents in 2016, a jump of more than 50 percent from the previous year, according to the National Law Enforcement Officers Memorial Fund.

Loyd was wearing a security uniform at the time of Monday’s shooting, a witness told WFTV.

“(The shooter) was an average looking dude, he walked by me, had a security vest and everything,” witness James Herman told the station. “I was walking down the sidewalk, right past the officer, and I heard her tell him to stop, or whatever, and he shot her. He shot her down.”

Police released video of the officer’s flag-draped coffin leaving Orlando Regional Medical Center. The shooting unfolded three days after the massacre at the Ft. Lauderdale airport, which left five people dead.

Loyd had been on the run since Dec. 13 when police accused him of shooting and killing 24-year-old Sade Dixon, a pregnant mother of two, and critically wounding her brother, Ronald Steward, outside her home. Dixon’s surviving relatives told Fox 35 she had just broken up with Loyd.

The Orange County Sheriff’s Office stated the suspect’s age as 41, but the Sentinel reported it as 43. Prosecutors reportedly had dropped drug-dealing charges against him earlier.

Herman said a shopper had tipped off the officer — who was putting bags in the trunk of her vehicle — that Loyd was in the Walmart waiting to check out. As the officer walked towards the store, the suspect barged out and fired at least 12 shots, according to Herman. Three shots hit the officer, WFTV reported.

After deputies launched the manhunt, the suspect pulled into a nearby apartment complex and fired shots, hitting one deputy’s unmarked SUV twice before carjacking another vehicle and escaping, Fox 35 added. Nobody was reported hurt at the apartment complex.

The search also led police to the Pine Hills area a few miles west of Orlando.

City Commissioner Regina Hill identified the officer as her Orlando Police Dept. liaison. The officer’s heart briefly stopped while paramedics were racing her to Orlando Regional Medical Center, rescuers said.

Officials locked down more than a dozen schools in the area, and closed the Walmart. Evidence markers were spotted in the store’s parking lot.

Orlando Mayor Buddy Dyer declared a day of mourning. Students and staff in the locked-down schools were safe, Fox 35 added.

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