UPDATE: Murder investigation launched as teenager dies after stabbing

A huge police presence is still in place after a teenager was taken to hospital in a critical condition. 

A police cordon is in place in the Town Street area of Horsforth and Church Avenue has been closed as police carry out their investigation. 

Bradford Telegraph and Argus: Police scene in Horsforth this afternoon Police scene in Horsforth this afternoon (Image: PA)

Bradford Telegraph and Argus: Police carrying out investigations in Horsforth Police carrying out investigations in Horsforth (Image: PA)

Bradford Telegraph and Argus: Police cordon in place in the Town Street area HorsforthPolice cordon in place in the Town Street area Horsforth (Image: PA)

Bradford Telegraph and Argus: Police officers on near the scene on Town Street Police officers on near the scene on Town Street (Image: Newsquest)

Bradford Telegraph and Argus: Police in Horsforth after teenager taken to hospital in critical condition Police in Horsforth after teenager taken to hospital in critical condition (Image: PA)

A spokesperson for West Yorkshire Police, said: "Police were called to the Town Street area in Horsforth at 2.57pm today to a report a teenager had been assaulted and seriously injured. 

"Emergency services attended and a 15-year-old boy was taken to hospital in a critical condition.   

"Police cordons are in place and a teenage male has been arrested in connection with the incident. 

"Enquiries into what took place are ongoing by Leeds District CID."