The current and former Sri Lankan presidents, Sirisena and Rajapaksa, congratulated the newly inaugurated US president, Donald Trump.
The former president, Mahinda Rajapaksa welcomed what he described as Trump's 'non-interventionist foreign policy'.
Mr Sirisena expressed his hope for stronger Sri Lankan and US relations.
"Looking forward to working with you to strengthen the US-Sri Lanka partnership," he said in a tweet.