THE alleged Bradford knifeman is a wannabe influencer who shared bizarre YouTube and TikTok videos of himself shopping at Primark.
Habibur Masum, 25, is in front of her baby in Bradford city centre on Saturday.
The pram-pushing mum was knifed "four to five" times in the neck and left to die in broad daylight as her killer fled, locals said.
Yesterday cops issued CCTV of wanted murder suspect Masum - urging the public to report any sightings of him.
West Yorkshire Police confirmed that the victim and suspect are understood to be known to each other.
Masum, from Oldham, is an aspiring influencer who regularly posts videos on his YouTube and TikTok accounts.
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One recent clip shows Masum holding up Bangladeshi-made clothes in a local Primark branch.
Other videos show Masum packing his bags for a holiday to Barcelona and walking through a housing estate in the snow.
Samin's UK Visas Support Centre helped Masum procure an EU Schengen visa for the Spanish getaway in January.
The firm's owner told The Sun: "I was actually shocked when I heard the news about the murder.
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"Masum is a familiar face in Manchester. He came here on a student visa.
"I have had no communication with him for two months. I hope they find him."
On March 28 Masum shared a clip of Bollywood film Laapataa Ladies on his Facebook account.
In the clip, a character says: "He was returning home with his wife last night and lost her on the way."
Masum, from Oldham near Manchester, captioned the clip with four "crying with laughter" emojis.
URGENT MANHUNT
The wanted murder suspect is described as an Asian man of slim build with links to Burnley and Chester.
CCTV footage released by cops shows Masum wearing a duffle coat and tracksuits bottoms.
A witness also said Masum was wearing a grey hoodie with the hood up.
DCI Stacey Atkinson said: “We have had significant resources following up a number of lines of enquiry to locate Habibur Masum.
"But at this time his whereabouts are unknown.
"A knife was recovered from the scene of the murder, but we cannot say if Habibur Masum is armed.
"I would urge anyone who does see him not to approach him but to call 999 immediately.
"If anyone has any information about his movements or whereabouts since 3:20pm on Saturday please contact police as a matter of urgency.
"We understand that the murder of a young woman in such shocking circumstances has caused considerable concern in the local community.
"Residents can expect to continue to see a significant police presence in Bradford as we make further enquiries and conduct reassurance patrols in the area."
SAVAGE ATTACK
The horror unfolded in front of terrified onlookers in the Westgate area of Bradford at around 3.21pm on Saturday.
Greengrocer Geo Khan, 69, said the woman was a regular customer at his shop.
He told The Sun: "I was working on Saturday and I heard screams and ran out of my shop.
"I saw that lady was lying face down on the pavement next to a pushchair with her five-month old baby boy inside.
“I turned her over. There was a lot of blood and I checked for a pulse, but couldn’t find one.
"I could see the knife wounds to her neck and I tried to do CPR.
"Her friend, who had gone into the Westgate International Food store when the attack happened was screaming.
"A doctor was passing in a car and stopped to help. He picked up a pulse and I got a sheet to put over her until the ambulance came."
Barber Adhi Aziz, 41, said: "We were really busy on Saturday and didn’t see anything until all the police started to turn up.
"The lady was attacked outside the Westgate corner shop.
"My wife told me the woman was pushing a pram with a baby inside when she was stabbed."
The woman has not been named yet but her family have been informed.
Her killing has left Bradford in shock - with cops now desperately hunting suspect Masum.
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Bradford West MP Naz Shah described the city centre killing as "really shocking".
She sent her condolences to the woman's loved ones and urged anyone with any information to get in touch with police.