Kirstie Allsopp defends letting son go travelling around Europe aged 15

Television presenter worries more about cars and drugs' than risks from three-week Interrailing trip with friend

The TV presenter Kirstie Allsopp has defended her decision to let her 15-year-old son Interrail across Europe without her, on grounds that she worries more about cars and drugs" than travel.

Allsopp's news sparked controversy on social media, with some people opining that her son, Oscar Hercules, who turns 16 on Wednesday, was too young to travel around Europe for three weeks with a teenage friend.