Finding a female relative in a so-called "objectionable" or "compromising" position with another man, often meaning that the two are merely alone together in the same room, is often used to justify honour killings. Perhaps most worrying, so-called fake honour killings are surging to the point of being an "epidemic", Ms Khan says. Fake honour killings are when a man kills a woman, usually a relative, to cover up the real reason he has murdered another man.
In Lebanon, one of the most westernized countries of the region, an average of one woman per month is killed by a close male relative who says she has soiled the honour of the family by committing adultery or engaging in pre-marital sexual relations.
Since 1994, there have been around 5,000 cases of honour-related crimes in the region surrounding the Pakistan capital, Islamabad. In 2001, at least 226 women in the southern province of Sindh were killed - usually by their husbands or brothers - while some 227 honour-related killings took place in the Punjab.