The Russian president had been challenged by Ukraine’s Volodymyr Zelensky to meet in person at the talks on Thursday. 

​The Russian president had been challenged by Ukraine’s Volodymyr Zelensky to meet in person at the talks on Thursday.  

There is cautious optimism in eastern Ukraine as talks are set to take place in Istanbul. 

​There is cautious optimism in eastern Ukraine as talks are set to take place in Istanbul.  

Several other people have been injured and are receiving medical treatment, a local official says. 

​Several other people have been injured and are receiving medical treatment, a local official says.