Opposition leaders have signed a tentative deal to end the current crisis with President Viktor Yanukovych, who has agreed to hold a presidential election before the end of the year.

Leaves no clear direction for progress on ending political crisis.

Lawmakers pass a tough new anti-demonstration law even as activists have been shedding support.

Called for the ouster of the P.M. and his cabinet over aborted E.U. deal.

More than 100,000 rally in biggest show of anger yet over president's refusal to join European Union.

Thousands rallied in the Ukrainian capital against the government's decision to freeze the agreement.

50,000 demonstrators demand Ukraine govt. reverse course and sign a landmark deal with Brussels in defiance of Russia.

Key condition for the signing of a landmark agreement next month.

Authorities refused to detain one of two police officers implicated in attack.

Harsh blow to President Viktor Yanukovych, who has insisted that case against top opponent was not political.