Police hunt 'cop killer' dressed as Rambo wielding two assault rifles

** WARNING GRAPHIC CONTENT ** A MANHUNT is underway for a suspected cop killer who is dressed like Rambo.

MANHUNT: Police are searching for 24-year-old "cop killer" Justin Bourque who is said to be armed and dangerous [AP/RCMP]

Police in Moncton, New Brunswick, are searching for 24-year-old Justin Bourque who is considered "armed and dangerous" after allegedly killing three officers and wounding two more in eastern Canada.

Bourque is reportedly wearing camoufl

age and began firing at police at 7.30pm on Wednesday.

He is also said to be armed with two assault rifles, pistols, a knife and a crossbow.

HUNT: People have been warned to stay indoors while officers search for the gunman [RCMP]

SCENE: The shootout between officers and Bourque [EPA]

“It's devastating. I don't know if he was on a hunt for them, or what”

Witness Danny Leblanc

The 24-year-old is believed to be in the Pinehurst area of the city and residents have been urged to remain indoors and lock their doors.

Royal Canadian Mounted Police Constable Damien Theriault said during an emotional news conference: "We are still actively looking for the shooter.

"He is believed to still be in the Pinehurst subdivision area of Moncton. We are urging people in that area to stay inside and lock their doors and for people to stay away from that area."

SHOCKING: Parts of the area have been left looking like a warzone [EPA]

RAMBO: The shocking incident has drawn comparisons with the famous film starring Sylvester Stallone [GETTY]

BLOODBATH: Three officers have been killed by the shooter [EPA]

ACTION: Stallone while filming the fourth Rambo movie [LIONSGATE]

Mr Theriault was in tears after revealing he personally knew the officers who had been shot.

Danny Leblanc said he saw the shooter on Wednesday evening standing in the middle of the road pointing his guns at police cars.

"It's devastating," he said. "I don't know if he was on a hunt for them, or what."

Another witness has described seeing the alleged gunman as she opened a window at her home.

SHAKEN: Royal Canadian Mounted Police officer Damien Theriault and Mayor George LeBlanc [AP]

SMASHED: A police car bears the damage of Bourque's violent attack [AP]

SHOOTING: Gun critic Piers Morgan was a target of Justin Bourque's anger [FACEBOOK]

Joan MacAlpine-Stiles told CBC.ca: "I said, 'Oh my God, there he is with camouflage and the headband and a gun, and it looked like a bow he had with him, and I mean he was just through our backyard'."

Residents have been warned not to use social media to reveal information about police operations.

Moncton Mayor George LeBlanc has urged residents to heed the police warnings.

"The police and other emergency personnel are working under extremely difficult conditions and need our complete cooperation," he said.

SUPPORT: Bourque shares a photo of an assault rifle similar to the one he is said to have used [FACEBOOK]

LOCKDOWN: A supermarket shuts up shop after the attack begins [AP]

"Stay home, stay safe. If you cannot get home, seek out a friend or family and remain there until you are advised otherwise."

In a haunting Facebook message posted hours before his deadly shootout, Bourque uploaded lyrics from a song by American thrash metal band Megadeth.

The disturbing lyrics from the song Hook in Mouth include: "A little man with a big eraser, changing history."

Other verses include "Make a person disappear, and no one will ever miss you" and "Replacing rights with wrongs, the files and records in the schools".