Tens of thousands of opposition protesters pack the streets of Cambodia's capital, Phnom Penh.<br/> <br />They are demanding a probe into a July election that returned long-time Prime Minister Hun Sen to power.<br/> <br />The demonstrators say the vote was rigged.<br/> <br />Led by opposition figure Sam Rainsy, they accuse the ruling Cambodian People's Party of tampering with ballot boxes and leaving voters off the electoral roll.<br/> <br />"We're praying for one reason, one purpose, which is praying for peace, freedom and justice," said Rainsy.<br/> <br />Many in the crowd echoed that call.<br/> <br />"I want justice for myself and for the Cambodian people, to find justice for their vote."<br/> <br />The protests are perhaps the biggest challenge Hun Sen has faced during two decades of iron-fisted rule.<br/> <br />While Cambodia's economy is growing quickly, the demonstrations have been fed by widespread anger over rising inequality and land rights<br/> <br />The Cambodian People's Party has denied foul play and Hun Sen says he
