Detectives investigating a serious collision in Camden are appealing for any witnesses or those with dash cam footage to come forward.
Police were called at around 13:17hrs on Tuesday, 7 April to Euston Road NW1, at the junction with Melton Street.
A motorcyclist was involved in a collision with a pedal cyclist.
The pedal cyclist, a 26-year-old man, was taken to an east London hospital, where his condition is critical. His next of kin have been identified and informed.
The rider of the motorcycle sustained minor injuries. He has not been arrested and is assisting police with their enquiries.
Detectives from the Serious Collision Investigation Unit are asking anyone who may have witnessed the lead up the incident, or who has dash cam footage, to contact them via 02082469820.
Alternatively, please call 101 or tweet @MetCC ref CAD 3287/7 April.