Brexit uncertainty accelerates dive in British Pound as global jitters rise

The British Pound has hit a twenty month low after UK Prime Minister Theresa May abandoned a vote on Brexit. 

This morning it's plunged as much 1.6 percent against key global currencies. 

On Wall Street, stocks continue to be hammered by worries about Brexit and continuing trade tensions between the US and China. 

ABC's Peter Ryan analyses the fallout from the Brexit uncertainty.