Dozens of US military aircraft are no longer on the tarmac at a major US base in Qatar, satellite images show - a possible move to shield them from eventual Iranian air strikes, as Washington weighs whether to intervene in Tehran's conflict with Israel.

"The news of three US troops being killed by a drone attack, and President Biden saying 'we shall respond', will likely dial up the market’s focus on the region," Andrew Ticehurst, at Nomura, said. The news comes as Israel presses on with its war against Hamas, adding to investor concerns...