The turmoil in Ukraine has swept aside its president, brought about the release a prominent opposition leader and raised fears the country could break apart.
After the bloodshed in the streets of Kiev last week -- the deadliest violence Ukraine has suffered since its independence 22 years ago -- the political twists and turns came thick and fast over the weekend.
As a new week begins, uncertainty has taken a hold in the divided nation as Ukraine tries to reshape its political landscape.
An arrest warrant has been issued for ousted President Viktor Yanukovych over the killings of civilians, a government official said Monday. But officials don't know where he is.
Here's what you need to know to get caught up:
Who's in charge?
It depends whom you ask.
The Parliament voted to oust Yanukovych, a key demand of protesters. It appointed seasoned lawmaker Oleksandr Turchinov as a new speaker who will take on Yanukovych's duties until new elections in May.
Turchinov, a longtime ally of opposition leader Yulia Tymoshenko, has promised a new interim government by Tuesday.
'We have a legitimate source of authority in Kiev, which is the democratically elected Parliament and a democratically, constitutionally elected speaker of parliament, who is acting president,' Polish Foreign Minister Radoslaw Sikorski, who helped broker a peace deal between the government and the opposition, said on CNN's .