Sri Lanka President Maithripala Sirisena sacked Prime Minister Ranil Wickremesinghe and appointed former strongman Mahinda Rajapaksa as the new premier.
Sirisena's move has triggered a constitutional crisis in the country. Here are some points about the unfolding crisis and the role of key players:
Government -
Major players -
Political background -
Why there is a political crisis in Lanka -
What political parties say -
Parties tally:
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