Ukraine's President Viktor Yanukovich is set to return to work on Monday after a period of sick leave, a statement on the presidential website said. Thousands of anti-government protesters have gathered in central Kiev to demand his resignation.
Ukrainian president Viktor Yanukovych has taken sick leave as the country's political crisis rumbles on.
A statement on the president's website reads, "The president of Ukraine is on sick leave due to acute respiratory disease accompanied by fever."
Yanukovych is under pressure to resign following two months of anti-government protests in the capital Kiev.
There was no indication of how long he might be on leave.
Ukraine has experienced difficult days before but few have been so complex or so pivotal.
The Ukrainian government says it is is ready to use all tools available to restore order if violence and unrest continues.
These are difficult days for Ukraine, a country edging toward its second revolution in a decade.