The New Nation - Internet Edition

AFP, Bangkok

Thai anti-government protesters shut down Bangkok's second airport on Thursday, further crippling the kingdom as tourists scrambled to leave and fears grew the crisis was deepening.

Supporters of the People's Alliance for Democracy (PAD) have blockaded the old Don Mueang airport in an attempt to prevent ministers from flying to Chiang Mai in the north to meet Prime Minister Somchai Wongsawat.

But cabinet members slipped out of the city in small aircraft to attend the emergency meeting to discuss how to deal with a six-month campaign to topple the administration which has paralysed the functions of government.

News of the minsters' meeting comes as an aircraft taking Thai ministers to the northern city of Chiang Mai for an urgent cabinet summit was forced to make an emergency landing in Bangkok after developing a technical problem, the air force said.

Somchai on Wednesday refused to heed pressure from powerful army chief General Anupong Paojinda to dissolve parliament and call elections, saying: "my government will preserve democracy."

Anupong also ordered protesters to leave Bangkok's Suvarnabhumi International Airport , which they besieged late Tuesday forcing the airport to suspend flights and leaving 3,000 tourists temporarily trapped inside.

In open defiance of his calls, protesters instead blockaded Don Mueang, which serves a handful of domestic routes.

The PAD launched their campaign to topple the democratically-elected government six months ago, accusing it of being a puppet of ousted and exiled premier Thaksin Shinawatra-Somchai's brother-in-law.

The group has the backing of elements in the palace, military and Bangkok's old elite that want to purge society of the influence of Thaksin, who is adored by the rural poor but remains in exile to avoid a jail term for corruption.

As both sides refuse to back down, concerns deepened for the kingdom's economy, vital tourism industry and diplomatic ties.

"Several countries are seriously concerned with the incidents happening in our country now-there is no rule of law," foreign minister Sompong Amornviwat told AFP by telephone from Germany.

Laos, Cambodia and Vietnam, meanwhile, questioned whether Thailand was still a suitable place to hold the regional ASEAN summit in December.

The PAD has vowed to stay at three protest sites-Suvarnabhumi and Don Mueang and Somchai's Government House offices in central Bangkok which they seized in August-until the premier quits.

"Please be reassured that we will claim victory today (Thursday) as long as we maintain our rallies and are able to completely shut down Suvarnabhumi and Don Mueang airports," PAD leader Chamlong Srimuang said.