New video allegedly showing Baltimore police officers planting evidence has emerged just days after it was revealed that footage of similar actions had led to the dismissal of dozens of drugs cases in the city.

The footage is claimed to show several officers in the Maryland city collaborating to place drugs in a car which were later found during a search that led to an arrest.

The events, which have led to charges being dropped in at least one case, were captured by multiple police body cameras while officers were seemingly unaware that their actions were being recorded, the public defender's office said.

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New video allegedly showing Baltimore police officers planting evidence has emerged just days after it was revealed that footage of similar actions had led to the dismissal of dozens of drugs cases in the city. Pictured is the moment a male passenger is told to get out of the car

The footage is claimed to show several officers in the Maryland city collaborating to place drugs in a car which were later found during a search that led to an arrest. Officers are seen in the driver and passenger areas of the car searching for drugs

The videos allegedly show the search of a car in Baltimore, with officers turning the cameras off and on several times. The officer (left) asks if a particular compartment in the car has been searched but no one answers him

The officer then 'reaches in and locates a bag (pictured) that appears to contain drugs right by where the prior officer was, and where the car had been thoroughly searched about a half an hour prior with absolutely no results', the public defender's office said

The videos allegedly show the search of a car in Baltimore, with officers turning the cameras off and on several times.

'When the cameras come back on one officer is seen squatting by the driver's seat area. The group of officers then wait approximately 30 seconds,' the Baltimore Public Defender's office said in a statement to the Baltimore Sun.

'Shortly thereafter, another officer asks if the area by that compartment has been searched.

'Nobody responds, and the officer reaches in and locates a bag that appears to contain drugs right by where the prior officer was, and where the car had been thoroughly searched about a half an hour prior with absolutely no results.'

'Oh here you go,' the officer said in a video, holding up a black bag that police say contained illegal drugs. 'That's the weed smell right there.'

This case involves seven officers, two of whom have been referred to the police department's internal affairs division.

Media outlets say the public defender's office won't release all of the videos because it shows a co-defendant whom it doesn't represent.

The charges were dropped on Monday against the person in the car after they were arrested on drug charges.

Caught: This video emerged earlier this week, and shows a Baltimore police officer planting what is alleged to be heroin which were later used to arrest a man for drugs offences

On camera: The video, filmed at a separate occasion to the alleged car search, also features two other police officers

Earlier this week, it was reported that 34 drugs and firearms cases have been dismissed in Baltimore after another video showed police officers appearing to be planting evidence.

A police officer was recorded on his own body camera confiscating what is alleged to be heroin which he then places in a tin can at an undisclosed location in January this year.

The video is filmed with a mounted body camera and shows a man said to be a police officers stopping a vehicle and demanding the driver opens the door.

'I want what you just bought boss',' the officer can be heard saying to the driver.

The driver hands a small wrapped bundle to the police officer.

The footage then cuts to the officer walking near a house with two other men wearing police vests.

The camera clearly shows a small plastic bag being unwrapped and displaying several pellets of what is allegedly heroin.

Evidence: Some 34 criminal cases have been dismissed and 100 are under review as they relied on the evidence of the three officers who appear in the video

Case dismissed: The police officer in the video has been suspended

He then places the bag of pellets inside a tin can and puts it down on the ground.

The drugs were later used to arrest at least one individual, local news reports.

The body camera footage was released by public defender's office earlier this year.

The cases dismissed relied on the testimony of the three officers appearing in the video and Baltimore State's Attorney Marilyn Mosby said at a news conference Friday that her office is still reviewing dozens of other cases involving the officers.

The cases being dropped are drug- or firearm-related.

That officer has had his police powers suspended. Two others shown in the video are on administrative duty.

Police are investigating the video.

Mosby previously said the number of cases under review was around 100. Friday she said it is approximately 123.