POLICE have launched a manhunt for a driver after two people were rammed off their e-bikes by a Land Rover in a fatal smash.

A 25-year-old mum, Alana Armstrong, was killed when the 4×4 allegedly followed the pair before crashing into them in Pleasley, Derbyshire.

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According to local police, the vehicle, believed to be a Land Rover Discovery from between 2004 and 2009, followed a pair of e-bikes onto a narrow lane before “ramming” one of them.

The rider, a man in his 20s, was hospitalised with serious injuries but his pillion passenger, Alana, was pronounced dead when emergency services arrived.

The car did not stop at the scene.

Derbyshire Constabulary have now released a CCTV image of a woman they believe has “vital information” in relation to the murder.

The woman was pictured outside the White Swan pub in the town wearing a light-coloured jumper, matching trousers and white trainers.

She was of average height and build and had dark hair, tied back into a ponytail.

Anyone with information about the case or who believes they have spotted the woman should contact the force on 101, quoting reference 24*705090.