Amid the worst economic crisis the country has seen since independence, Sri Lankan Prime Minister Mahinda Rajapaksa resigned from his post. Sri Lanka's health minister Prof Channa Jayasumana has also handed over his letter of resignation to the President. Until now, the Rajapaksa brothers- President Gotabaya Rajapaksa and Prime Minister Mahinda Rajapaksa had defied calls for their resignation even as unrest and protests against the government intensified. Watch this video.