BANGKOK -- Prime Minister Thaksin Shinawatra said Saturday there was no clear threat of a terrorist attack in Thailand, but his government was taking highest level precautionary measures.

"As of now there has not been any clear intelligence that terrorists plan to attack our country. Foreign countries have done their duty by issuing travel warnings, and we will do our duty too by not being reckless," Thaksin said in his weekly radio address to the nation, AFP reported.

"My government is taking the highest precautionary measures.

Don't panic because of the warnings," he said from Mexico, where he is attending the Asia Pacific Economic Cooperation (APEC) summit.

Thaksin's comments come after several foreign governments issued travel advisories warning of a terrorist threat to Thailand after the October 12 bomb attack on Bali that left nearly 200 people dead, mostly foreign tourists.

Last week Denmark issued an advisory warning its nationals to "exercise the greatest vigilance" in Thailand, and identified the resort island of Phuket and in particular the beach of Patong as a possible terrorist target.

Thaksin said Denmark had told Thailand it issued the warning not because of any specific intelligence it had received.

"Denmark said there was no specific intelligence of a threat but as everyone is wary of terrorism, they must issue travel warnings, and if anything happened they would be blamed for not warning their citizens," he said.

Australia on Friday warned its citizens again to "exercise extreme caution" in commercial and public areas frequented by foreigners in Thailand, but specifically mentioned Phuket for the first time.

Switzerland advised people planning a trip to Thailand to be extremely vigilant. Portugal advised its citizens not to travel to Thailand at all because of what it perceived to be the possibility of attacks there.

Japan had also issued a statement warning Japanese tourists to be vigilant here.

New Zealand bucked the trend and said it was "not aware of any specific threat to New Zealanders or New Zealand interests in Thailand, and is therefore not advising New Zealanders against travelling there".

A senior Thai officer told AFP Friday that police were aware of three terrorist movements operating in the predominantly Muslim south, but he did not say if they were linked to any international terror groups.

Since the Bali bombing police and army units have been sent in greater numbers to Thailand's key tourist spots, including Phuket, the northern city of Chiang Mai, Pattaya seaside resort and Bangkok's red-light districts.

On Friday police said they were boosting security at 85 oil depots and six refineries after the Energy Ministry received information from the U.S. Federal Investigation Bureau that the sites could be attack targets.

Meanwhile a report in the ***Nation*** newspaper Saturday cited Deputy Prime Minister Chavalit Yongchaiyudh as saying the government would study the possibility of granting an amnesty period for the surrender of illegal weapons.

The study was needed because of security concerns following the Bali bombings, Chavalit reportedly said.