

Ukrainian police are investigating an explosion at a court building in the nation's capital of Kyiv on Wednesday.
Initial reports suggest the blast may have been set off by a man who was brought to the court building for a hearing. Officials have offered no details regarding casualties.
"law enforcement officers are working at the scene. The police received information that an explosion took place in the courthouse in Shevchenkivskyi district," Ukraine's Internal Affairs Ministry said Wednesday. "Currently, an investigative and operative group, special forces, explosives technicians and dog experts are working at the site."
"An extraordinary event took place in the Shevchenkivskyi Court of the city of Kyiv. The police received a report about the explosion," Interior Minister Ihor Klymenko also said in a statement. "The details are being clarified. Stay calm and stay away from the scene."

Ukrainian police are responding to an explosion in a Kyiv courtroom on Wednesday. The city has faced months of constant missile barrages. (REUTERS/Irakli Gedenidze)
Local media reports that the culprit is a man charged in a 2015 grenade attack outside Ukraine's parliament, who now set off another explosive during his court proceedings.
It is not clear whether Russia was involved in the fincident.
Russian forces have pummeled Kyiv with missile and drone attacks for more than a year, but few ground-based attacks have taken place.
The incident comes just days after Russia accused Ukraine of launching an explosive drone attack on Moscow, however. Russian officials claim the U.S. and NATO allies provided "necessary" assistance for the strike as well.
That strike, involving five drones.
This is a developing story. Check back soon for updates. Reuters contributed to this report.