Police confirmed the explosion, near a shrine at a major Bangkok road, was from a bomb but no one has yet claimed responsibility for the attack.
Tennis titans Rafael Nadal and Novak Djokovic met with Thai Prime Minister Prayuth Chan-ocha on Friday and visited the site of a deadly Bangkok bomb blast.
Thailand authorities on Tuesday launched a hunt for a male "suspect" who may have left a bomb inside the hugely popular Lord Brahma temple in a crowded area in central Bangkok that killed at least 20 people and injured 123 others.
Thailand's Erawan Brahma temple, one of the most popular tourist attractions in Bangkok, was reopened on Wednesday for worshippers and tourists three days after a blast at the shrine killed 20 people, as police intensified their hunt for a suspect believed to be the bomber.
Cops believe he is part of a network and announced a reward of 1 million baht (Rs 18 lakh) for information leading to his arrest.
Italy, Spain, Portugal and India are among the countries easing coronavirus restrictions. Social distancing, mask wearing are the new norms as these countries continue to battle the virus pandemic, but are venturing out of their homes after extended periods of staying at home.
The Indian who hails from Bengaluru has been working with a Information Technology service company in Thailand and his record was found clear, official sources said on Wednesday.
The 28-year-old man, who was not identified and was arrested from his rented apartment in Nong Chok district in a suburb in eastern Bangkok, was also found in possession of multiple passports.
The two Indians, who were not identified, have been taken to a military camp for questioning, The Nation quoted the police as saying.
A series of blasts rocked Thailand, including two famous tourist spots popular with foreigners, within 12 hours, killing four persons and injuring several others.