Pitched battles engulf Bahrain

Large parts of Bahrain's capital of Manama were taken over by anti-government protestors yesterday after riot police failed to eject demonstrators from the city's financial centre with a barrage of tear gas and rubber bullets. Robin Wigglesworth, Gulf business correspondent, reports on how fears are growing over sectarian strife after Sunni government loyalists clashed with Shia protestors and students at the University of Bahrain.