Business Bites: Is Spain plunging further into financial crisis?

Economists are growing increasingly concerned that Spain could be plunging deeper into financial crisis.

Retail sales are down for the 22nd month in a row and Bankia shares plunged a further 6% this morning following a drop of 13% on Monday.

Meanwhile the interest on 10-year Spanish bond yields is hovering around danger levels again of 6.4% as investors remain fearful more Spanish banks may need a financial bail-out.

But some experts think the worst is yet to come.

The BBC's Aaron Heslehurst discusses the key financial story of the day.