Both donor and charity have a role to play in this, but let's start simple - say no to pity fundraising - it belongs in the past.

BBC: Viewpoint: A time to stop giving?

In the other case, although the victim originally told the police he had been purchased for sex, in court he changed his evidence to say he had merely been let into the hotel room out of pity.

ECONOMIST: Thailand

But he and Ms el-Mahroug both say the money was a gift: the prime minister took pity on her after hearing her claim to have escaped from a violent father.

ECONOMIST: Silvio Berlusconi is charged