David Cameron in the Gulf: Human rights 'on the agenda'
David Cameron has begun a three-day tour of the Gulf and the Middle East to try to strengthen the UK's defence, security and commercial ties.
Britain hopes to sell its Typhoon fighter jets to a number of states in the region.
But the prime minister has also pledged to raise the issue of human rights, saying there will be said there will be no "no-go" areas for talks.
Frank Gardner reports from Dubai.