However, Sri Lanka Cricket insisted no current players were involved in the ICC investigation.
A Sri Lanka state transport bus ferried a group of passengers, for first time in last 20 years, from the captured de facto LTTE capital of Kilinochchi.
Outside parliament, Sri Lankans continued their protests against their newly elected president, who they charge with being close to the Rajapaksa political dynasty.
This is the first time in 44 years that Sri Lanka's parliament has directly elected a president.
The Sri Lankan Parliament is all set to elect the successor to Gotabaya Rajapaksa in a three-way presidential contest on Wednesday, following a high-voltage political drama which saw the former president fleeing the country and resigning after a popular uprising against his government for mismanaging the economy.
Ranil Wickremesinghe was on Wednesday elected as Sri Lanka's new President by Parliament, in a rare move that could provide continuity for ongoing discussions with the International Monetary Fund for a bailout for the cash-strapped nation but a development likely to anger anti-government protesters who have been demanding his resignation from office for weeks.
Sri Lankans celebrated Gotabaya Rajapaksa's resignation as president, but they will understandably be concerned about the outcome of Wednesday's presidential election.
Sajith Premadasa, the 55-year-old leader of Sri Lanka's principal opposition party Samagi Jana Balawegaya, said on Tuesday that he was withdrawing from the race of President to provide support to Alahapperuma.
Sri Lanka's sports ministry on Friday ordered an investigation into former sports minister Mahindananda Aluthgamage's allegation that their loss to India in the 2011 World Cup final was fixed by "certain parties". Sports minister Dullas Alahapperuma has ordered the investigation and asked for a report on its progress every two weeks, the ministry said in a statement.
Parliament met for a brief special session on Saturday to announce the vacancy in the presidency following the resignation of Rajapaksa.
The 225-member Parliament will elect the new president by a secret vote on July 20, Speaker Mahinda Yapa Abeywardena said on Friday.
During the 13-minute special session, Dhammika Dassanayake, ecretary general of Parliament, announced the vacancy for the post of president.
Wickremesinghe is the first Sri Lankan president to be elected by Parliament following a vote.
Sri Lanka's Acting President Ranil Wickremesinghe on Monday imposed emergency giving him sweeping powers ahead of the key election on July 20 to pick a new President as he urged the political parties to put aside differences and form an all-party government, with the Opposition dubbing his decision as an 'undemocratic draconian act'.