Supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, burn flares during a rally outside the presidential administration headquarters in Kyiv, Ukraine January 19, 2022.

Law enforcement officers cordon off the area as supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, attempt to set up tents near a court building before a hearing in Kyiv, Ukraine January 19, 2022.

Supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, walk towards the presidential administration headquarters after a court hearing in central Kyiv, Ukraine January 19, 2022.

Supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, gather outside a court building during a hearing in Kyiv, Ukraine January 19, 2022. A placard reads: "Country needs Porokh (Poroshenko)".

Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, addresses the media as his wife Maryna stands behind after a court hearing in Kyiv, Ukraine January 19, 2022.

Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, greets his supporters outside a court building after a hearing in Kyiv, Ukraine January 19, 2022.

Supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, walk towards the presidential administration headquarters after a court hearing in Kyiv, Ukraine January 19, 2022. A board displaying a photo of Ukrainian President Volodymyr Zelenskiy reads: "Zelenskiy is a dictator".

Supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, walk towards the presidential administration headquarters after a court hearing in central Kyiv, Ukraine January 19, 2022. A banner reads: "Don't play with Porokh (Poroshenko)!"

Law enforcement officers cordon off the area as supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, gather near a court building before a hearing in Kyiv, Ukraine January 19, 2022.

Supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, gather outside a court building during a hearing in Kyiv, Ukraine January 19, 2022.

A man reacts amid the crowd as law enforcement officers cordon off the area from supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, near a court building before a hearing in Kyiv, Ukraine January 19, 2022.

Supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, walk towards the presidential administration headquarters after a court hearing in central Kyiv, Ukraine January 19, 2022. A banner reads: "No to political repressions".

Supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, burn smoke grenades during a rally outside the presidential administration headquarters in Kyiv, Ukraine January 19, 2022.

Supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, walk towards the presidential administration headquarters after a court hearing in central Kyiv, Ukraine January 19, 2022. One of the banners reads: "No to political repressions".

Law enforcement officers cordon off the area as supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, gather near a court building before a hearing in Kyiv, Ukraine January 19, 2022.

Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, addresses the media after a court hearing in Kyiv, Ukraine January 19, 2022.

Supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, burn smoke grenades during a rally outside the presidential administration headquarters in Kyiv, Ukraine January 19, 2022. A board displaying a photo of Ukrainian President Volodymyr Zelenskiy reads: "Zelenskiy is a dictator".

Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, addresses his supporters outside a court building before a hearing in Kyiv, Ukraine January 19, 2022.

Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, and his wife Maryna react during a meeting with supporters after a court hearing in Kyiv, Ukraine January 19, 2022.

Supporters of Ukrainian former President Petro Poroshenko, who is suspected of high treason by financing pro-Russian separatists in eastern Ukraine while in office in 2014-2015, hold a rally outside the presidential administration headquarters in Kyiv, Ukraine January 19, 2022. A placard displaying a photo of Ukrainian President Volodymyr Zelenskiy reads: "Dictator".