Police have named the woman who died in a crash on the M1 in Northamptonshire late on Sunday night.
Edita Bojarinova, aged 29, of Leicester, was riding a white Yamaha R6 on the M1 northbound, between junctions 16 and 17, at around 10.50pm, when she was in collision with the central reservation and died at the scene.
Officers investigating the circumstances of the crash would like to speak to anyone who witnessed it.
They would also like to speak to anyone who may have witnessed two white motorbikes travelling in convoy on the M1 northbound through Northamptonshire prior to the collision, as well as anyone who may have stopped at the scene of the collision.
Witnesses or anyone with information about this incident, can contact police on the Drivewatch Hotline on 0800 174 615.