Kathmandu, April 5 -- Prime Minister KP Sharma Oli returned to Kathmandu on Saturday, concluding an official visit to Thailand, where he participated in the sixth summit of the Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (Bimstec) in Bangkok.

The visit marked the first-ever official trip to Thailand by a Nepali prime minister in the past 66 years, undertaken at the invitation of Thai Prime Minister Paetongtarn Shinawatra.

Oli was seen off at Bangkok's Suvarnabhumi International Airport by Thai Deputy Prime Minister and Transport Minister Suriya Juangroongruangkit.

Oli was accompanied by his wife Radhika Shakya, Foreign Minister Arzu Rana Deuba, advisors Bishnu Prasad Rimal, Yubaraj Khatiwada, chief se...