SINGAPORE - Prime Minister Lee Hsien Loong paid his respects to late King Bhumibol Adulyadej at the Thai Embassy on Friday (Oct 14) .

Mr Lee, who arrived close to 5pm, bowed to King Bhumibol's portrait and penned a message in the condolence book.

"The world has lost a revered monarch and great leader. Our thoughts are with the people of Thailand in their grief," he wrote.

Many Thais, dressed in black, were at the embassy along Orchard Road to pay their respects. The Thai flag at the building was flown at half mast.

Thousands of people in Bangkok lined the streets as a motorcade carried the king's body from the hospital to the Grand Palace on Friday evening.

Teary-eyed Thais gathered at the embassy in Singapore to watch a live stream of the procession.

According to a statement from the Royal Thai Embassy, the book of condolences will be opened for signing at the embassy at 370 Orchard Road from Monday (Oct 17) to Friday (Oct 21) from 10am to 12.30pm and 2pm to 4.30pm.

Visitors can access the embassy through the Claymore Road entrance.

Foreign Minister Vivian Balakrishnan also signed a condolence book for the late king at the Thai Ministry of Foreign Affairs in Bangkok.

Dr Balakrishnan "expressed his deepest condolences to the people of Thailand and wrote that Singapore stands shoulder to shoulder with our Thai friends in this sad and difficult period", said the Ministry of Foreign Affairs.

The Minister was in Bangkok to attend the 21st Asean-European Union Ministerial Meeting on Friday.

King Bhumibol, the longest reigning monarch in the world, died on Thursday in a Bangkok hospital at the age of 88.

Prime Minister Prayut Chan-o- cha has declared a year of mourning, and said the people should refrain from entertainment for 30 days in Thailand.