Kabul explosions send global shares and oil lower

Crude oil fell to under $71.50 a barrel.
Global shares and the price of oil fell as markets turned cautious after explosions in Afghanistan and ahead of a US Federal Reserve gathering that may provide more clues about the central bank's approach to paring stimulus following the Covid crisis.
In the US, the S&P 500 and Nasdaq 100 slid after reports of casualties from blasts outside Kabul airport, escalating tensions as the US evacuates the area.