By firing ballistic missiles at the UK-US Diego Garcia base nearly 4,000km (2,485 miles) from its shores, Iran is sending a message that it still has cards to play after three weeks of war, according to experts. A UK official source said Iran was “unsuccessful” in targeting the Indian Ocean military facility, one of two bases that London has allowed the US to use for certain missions in its war against Iran. Until now, most had believed Iran – under US-Israeli bombardment since February 28 – was...