A boy had his mobile phone stolen from him as he walked to school.
The teenager was walking with a friend on Sheil Road, Kensington, when he had his phone snatched out of his hand.
Police say when the victim challenged the thug, he then made threats towards the victim at around 8am on Friday, February 18.
READ MORE: Woman trapped in minibus as road closed after crash
The victim and his friend then ran away from the scene, at the junction of Geneva Road.
No injuries were reported, but the victim's blue Samsung S6. was stolen and he was left extremely shaken by the incident.
The suspect is described as white male, around 5ft, 6in tall, of average build, with short blond hair, blue eyes, a moustache and a beard.
At the time of the incident, he was wearing dark trousers and a green coat with the hood up with a furry trim.
CCTV and witness enquiries into the incident are ongoing and anyone with any information is asked to contact police.
Detective Inspector Chris Saidi said: "Any theft is upsetting, but to steal from a teenager on his way to school is utterly abhorrent and we are working to find the man responsible and bring him to justice.
"If you witnessed the incident or saw anything or anyone suspicious in the area on Friday morning then please let us know. Any information you provide could be vital to our enquiries.
"This was a busy time of the morning with people travelling to work during rush hour – if you were driving down Sheil Road and have dashcam footage then please review it and let us know.
"Similarly if you have seen a blue Samsung S6 phone for sale locally then please get in touch.
"Whether you contact us directly or anonymously, through Crimestoppers, let us know so that we can take action."
If you witnessed the incident, or have any information please contact police social media desk on Twitter @MerPolCC or Facebook ‘Merseyside Police Contact Centre’ with any information, with reference 22000119560.
You can also contact the independent charity Crimestoppers anonymously, on 0800 555 111 or via their online form at: https://crimestoppers-uk.org/give-information/give-information.