Oil price nears $100 and stock markets fall as Russia orders troops into Ukraine

Investors rattled by risk of fully fledged invasion, pushing shares lower around the world

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Oil prices surged close to $100 (73) and global stock markets fell in early trading on Tuesday after Vladimir Putin sent troops into Ukraine, rattling investors.

Brent crude oil was up nearly 4% on Tuesday morning at just above $99 a barrel, the highest in more than seven years, as fears mounted that supplies would be disrupted.