US President Barack Obama pays tribute to late Thai king as `close friend` of US

District of Columbia: US President Barack Obama extended condolences Thursday to Thailand for the death of King Bhumibol Adulyadej, calling him a "close friend" and partner of the United States.

Obama paid tribute to the king, whose death at age 88 was announced Thursday, as a "tireless champion" for Thailand`s development, praising his "unflagging devotion" to improving the lives of his subjects.

"His Majesty the King was a close friend of the United States and a valued partner of many US presidents," Obama said.

"I had the honor of calling on His Majesty the King during my visit to Thailand in 2012, and recall his grace and warmth, as well as his deep affection and compassion for the Thai people.

"With a creative spirit and a drive for innovation, he pioneered new technologies that have rightfully received worldwide acclaim," Obama said.

"His Majesty leaves a legacy of care for the Thai people that will be cherished by future generations."