Sperm with cancer-causing gene used to conceive almost 200 children

A sperm donor who unknowingly harboured a genetic mutation that dramatically raises the risk of cancer has fathered at least 197 children across Europe, a major investigation has revealed. Also on the programme, 5alf a million people have been forced from their homes in Thailand and Cambodia as their deadly border conflict escalates; and, the politics of typeface fonts. (Photo: Getty)