SRP election campaign for 27 July 2008

Cambodian opposition leader Sam Rainsy, right, greets onlookers during election rally in the capital Phnom Penh, Cambodia, Thursday, June 26, 2008. (AP Photo/Heng Sinith)

Cambodian supporters of opposition party Sam Rainsy during the first day of the General Election Campaign in Phnom Penh on June 26. (AFP/Tang Chhin Sothy)

Cambodian opposition leader Sam Rainsy waves from the top of a truck during an election rally in the capital Phnom Penh, Cambodia, Thursday, June 26, 2008. (AP Photo/Heng Sinith)

Cambodian opposition leader Sam Rainsy, right, and his supporters greet onlookers at a busy market during an election rally in the capital Phnom Penh, Cambodia, Thursday, June 26, 2008. (AP Photo/Heng Sinith)

Cambodian opposition leader Sam Rainsy, standing at center front on the truck, are surrounded by the party's supporters during an election rally in the capital Phnom Penh, Cambodia, Thursday, June 26, 2008. (AP Photo/Heng Sinith)