Following the appointment of Rajapaksa as PM of Sri Lanka Canada, alongside the European Union, UK, US and other European nations, has expressed concern over Sri Lanka.

In a press statement Global Affairs Canada said:

“Canada remains deeply concerned by the political situation in Sri Lanka. We reiterate our call for all parties to refrain from violence and respect due process and the rule of law”.

Another UNP MP has crossed over to the Rajapaksa faction and been awarded a ministerial portfolio.

Dunesh Gankanda, who has been caught in the public eye for racial abuse, physical assault and verbal assault, was sworn in as Minister for Environment by Mahinda Rajapaksa. 

The former UNP law maker, is reported to have used racist slurs against a counterpart’s Tamil stepson.

He was also arrested and released on bail after biting a person's nose, causing them to have corrective surgery.

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The ongoing political crisis in Colombo has demonstrated to Tamils that “Sinhala Buddhist majoritarian parties continue to demonstrate a lack of respect to constitutionalism,” said the Tamil Civil Society Forum (TCSF).

In a statement on Tuesday, the TCSF said that the appointment of Mahinda Rajapaksa as prime minister, illustrated that “time and again the Sinhala polity reminds us of the limits of liberal constitutional democratic solutions to our political aspirations”.

“The international community at least now must take our concerns seriously and readjust their policies towards Sri Lanka,” the statement added.

Several thousand UNP supporters staged a protest in Colombo today, demonstrating against the appointment of Mahinda Rajapaksa as Sri Lanka’s prime minister and calling for the reconvening of parliament.

Senior UNP leaders spoke at the rally, including Sajith Premadasa, who reportedly said he was “prepared to die for my country's freedom".

The British government must immediately halt all deportations to Sri Lanka and review their asylum policy following the escalating political crisis on the island, said UK-based charity Freedom From Torture.

“We are deeply troubled by this political crisis in Sri Lanka and the prospect of escalating brutality by the military, police and intelligence services,” said Sonya Sceats, Chief Executive of Freedom from Torture.

Responding to the appointment of Mahinda Rajapaksa as prime minister, Sceats said “Rajapaksa's presidency was a reign of terror for countless in Sri Lanka, especially in the minority Tamil community”.

Despite Sri Lanka remaining at a state of political turmoil following the sacking of the prime minister Ranil Wickremesinghe on Friday and appointment of Mahinda Rajapaksa, the president, Maithripala Sirisena yesterday made appointments to a new Cabinet. 

The appointments were tweeted from the president's office's tweet account: 

The Tamil National Alliance leader, R Sampanthan met with Mahinda Rajapaksa this morning, despite the ongoing political turmoil triggered by the latter's appointment as prime minister of Sri Lanka on Friday following the sacking of Ranil Wickremesinghe. 

The TNA was a staunch supporter of the unity government and in 2015 pushed Tamil voters to vote for Sirisena in a bid to oust Rajapaksa, the then president. 

Despite this seeming support however, Sampanthan lost no time to meet with the Rajapaksa, who is accused of overseeing the mass killing of Tamil people during the final stages of the armed conflict in 2009.

British MPs have urged the UK foreign secretary, Jeremy Hunt to push for a "robust international response" to the unfolding political turmoil in Sri Lanka following the sacking of the prime minister, Ranil Wickremesinghe last week and appointment of the former president, Mahinda Rajapaksa. 

Sri Lanka’s top security force officials have met with Mahinda Rajapaksa, in an apparent show of support in the midst of Sri Lanka’s unfolding political crisis over the office of Prime Minister and the collapse of the unity government.

The UK government has expressed concern about Sri Lanka’s unfolding political crisis.

The Foreign and Commonwealth Office’s Minister for Asia, Mark Field, said in a statement:

“I am concerned by ongoing political developments in Sri Lanka and am following this fast-moving situation closely. Once again, I call upon all parties to uphold the constitution and due political and legal process.

“I urge President Sirisena, in consultation with the Speaker, to reconvene the parliament immediately in order to give the democratically elected representatives of the Sri Lankan people their voice at this time.