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LONDON: Twelve people have died in less than a week in accidents in England and Ireland involving cars being driven the wrong way on major roads, amid a social media trend for “wrong-side” driving.

Seven people including two serving police officers died on Saturday in a crash on the main A66 road near Middlesbrough in northeastern England, police said.

Authorities are investigating the exact circumstances but said the collision followed a pursuit of a suspicious vehicle which ended up being driven the wrong way and colliding with a police car that was on the correct side of the road. It comes after a fatal crash in Ireland on Sunday in which five teenagers died.

Their car had been travelling the wrong way on the M9 motorway west of Dublin when it collided head-on with a another vehicle, leaving four people in the second car, including a child, seriously injured. The accidents come as authorities have highlighted a social med­ia-driven trend for “wro­ng-side” driving.