Iran says it has shot down US drone over its territory amid tensions over oil tanker attacks

Iran's Revolutionary Guard says it has shot down a US drone flying over the country's territory close to the Strait of Hormuz, amid a growing row between Washington and Tehran over reported attacks on oil tankers.

A spokesman for the US military declined to comment when asked whether an American drone had been shot down, but said there were "no US aircraft were operating in Iranian airspace" at the time.