Labour MP Jo Cox has been shot and injured in an attack in her constituency near Leeds.
An eyewitness said the 41-year-old mother of two was left lying bleeding on the pavement after the incident in Birstall, West Yorkshire.
The attack took place near the town's library where she held advice surgeries.
Ms Cox was elected to the seat of Batley and Spen at the last general election in 2015.
West Yorkshire Police said: "There is an ongoing incident in Birstall", while Yorkshire Ambulance Service said it was "aware" of an incident but had no further information.