Updated

Lawmakers in the Czech parliament's upper house have gathered to do what they have never done before — decide whether to press high treason charges against outgoing President Vaclav Klaus over his controversial amnesty.

Klaus infuriated many Czechs when he halted court proceedings in several high-profile fraud cases and financial scams as part of his recent amnesty.

Only the Senate has the power to file high treason charges at the Constitutional Court. A majority of lawmakers in the 81-seat house, which is controlled by the left-wing opposition, has to approve that to happen. Monday's session will be held behind closed doors.

The worst punishment Klaus faces is the loss of the presidential job and his final term in office ends Thursday.