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A lone female jogger was chased by a man wearing a Chucky doll mask through the streets of Philadelphia during an early morning run.

Police are searching for a suspect accused of following the 40-year-old near City Hall around 5.30am last Wednesday.

The masked man ran behind the woman as she crossed through an intersection, a video released by officers showed.

She turned around in an apparent attempt to lose him, but he quickly changed course to continue his pursuit.

A second camera showed the jogger running down a five-lane road with the suspect trailing behind her.

He seemingly was unable to catch up with her and changed his route while the woman was just feet ahead.

He crossed multiple lanes of traffic and diverted to the sidewalk on the right-hand side of the street as the runner continued to jog down the road.

The suspect, described as a 5ft 8in tall black man, is believed to be between 16 and 20 years old, police said.

He has allegedly terrorized multiple people in the community, with police claiming he has laughed at his victims and asked if they are 'ready to die.'

A lone female jogger was chased by a man wearing a Chucky doll mask through the streets of Philadelphia during an early morning run last Wednesday

Cameras caught the suspect chasing the 40-year-old near City Hall around 5.30am

A second camera showed the jogger running down a five-lane road with the suspect trailing behind her

Investigators have released several photos of the suspect, which show him sporting the Chucky mask and a blue plaid backpack

A second victim claimed that the suspect appeared to be filming the nightmarish encounters on his cell phone.

Jameka, who declined to share her last name, told WPVI that the man approached her with his phone in hand just moments after he had chased another woman.

'I started to wave at her from across the intersection and say, "Hey, there's someone behind you – look behind you!" And she heard me, and then she started to run away,' she claimed.

She said the suspect then tried to force his way into a local coffee shop, but after being denied entry, turned his attention towards her.

The alleged victim screamed 'don't follow me' and put up her hands in a fighting stance, she recalled.

'I blocked my face, making sure my centerline was protected. And then he also started to put his hands up but I could tell that he'd never been in a fight before,' she told the news outlet.

Jameka, who described the suspect as appearing 'disoriented,' claims he ran away after she kicked him.

Jameka, who claimed she was also terrorized by the suspect, said he appeared to be filming the nightmarish encounters on his cell phone

The suspect with a phone in his hands. Police allege he has laughed at his victims and asked if they are 'ready to die'

Police have also released one photo of the suspect without his mask, but even in that image most of his face is obscured by a balaclava

Investigators have released several photos of the suspect, which show him sporting the Chucky mask and a blue plaid backpack.

They also released one photo of him without his distinctive face covering, but even in that image, most of his face is obscured by a balaclava.

Officers say the suspect will face several serious charges once he is apprehended.

Anyone with information about his identity or whereabouts is asked to call the Philadelphia police at 215-686-8477.