Paying tribute to Dariusz, his family said: “Dariusz, known for his boundless empathy and loving spirit for people and animals, touched everyone he met with his kindness and compassion.
“Although this is a predominantly residential area, its proximity to The Broadway – and a number of shops, pubs and restaurants still open at the time of the incident – leads us to believe there will have been witnesses who may have seen or heard something.
“We urge anybody who was in the area to check their footage from between 20.30hrs and 22.30hrs on Monday, 10 February, and to notify the police if they believe they have captured anything which may assist our investigation.”.
Detective Chief Inspector Alison Foxwell, from the Met’s Specialist Crime unit, said: “We are making good progress with our investigation, and a number of leads are being followed up.
“Our enquiries thus far lead us to believe that the stabbing took place in the vicinity of Sydney Road junction with Regina Road.
