Thai soldiers run across a busy road during a clash with 'Red Shirt' anti-government protesters in a northern section of Bangkok on April 28, 2010. Thai security forces fired warning shots during a confrontation with anti-government protesters in the north of Bangkok, which is reeling from weeks of sometimes violent unrest. The standoff, which followed a period of relative calm in the city, came as about 900 soldiers and police officers blocked 'Red Shirt' protesters who had left their fortified rally base in central Bangkok in a large convoy. (Getty Images)

Thai army soldiers fire at anti-government "red-shirt" protesters on a highway near the old airport in the northern suburbs of Bangkok April 28, 2010. Thai troops fired rubber bullets at charging anti-government protesters who fought back by hurling stones in a clash on a highway in Bangkok's suburbs on Wednesday that wounded at least five people. (Reuters)