Police in Pakistan have arrested at least four relatives of a woman who was stoned to death for marrying a man her parents did not approve of, ITV News has been told.
Farzana Parveen was attacked in broad daylight in front of the high court in Lahore.
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Among those murdered was Keith Palmer, an unarmed constable who "did his job and never wanted any fuss."
Top temperature 14 Celsius (57 F).