More than 124 countries, including Britain, have forsworn the production, transfer, stockpiling or use of cluster munitions.

Rats don’t always have the best reputations, but a rat called Ronin with a super sense of smell is working to change that.

Ronin and his landmine-sniffing rat ... heavy bombing by the US during the Vietnam War. The US dropped 2.7 million tons of ordnance – including cluster bombs and submunitions – in a four ...