Members of the G7 group of leading economies have agreed to impose a price cap on Russian oil, as they seek to dent Moscow's ability to finance its war in Ukraine. The cap, on crude oil and petroleum products, is also intended to curb soaring world energy prices, the group's finance ministers said.

It's a "ring of steel" designed to keep world leaders including Joe Biden safe - but for one St Ives street, the security fencing for next week's G7 summit is also cutting them off from the outside world.

Facebook announced the launch of its new cryptocurrency, Libra, on Tuesday. But the critics already have their doubts. France's finance minister was among the first to voice his misgivings over Libra, saying it must not be allowed to become a "sovereign currency."