Kyiv's Mayor Vitali Klitschko said Ukraine may need to temporarily cede land as part of a peace deal with Russia, Britain's BBC reported on Friday. "One of the scenarios is… to give up territory. It's not fair.

"It's not fair. But for peace, temporary peace, maybe it can be a solution," Kyiv Mayor Vitali Klitschko said.

Despite the recent bombings this week on Ukrainian territory, which have left dozens dead, Russia claims to be "ready" to reach an agreement on Ukraine. This was expressed by Russian Foreign Minister Sergei Lavrov in an interview.

The US president says the strikes, which killed at least eight people, were "not necessary, and very bad timing".

The weapon that killed at least eight people in a major Russian aerial attack on Kyiv overnight was a North Korean KN-23 (KN-23A) ballistic missile, a Ukrainian military source told Reuters on Thursday.

Russia is believed to have used a ballistic missile of North Korean origin in an attack on Kiev that killed at least 12 people on Thursday, Ukrainian President Volodymyr Zelensky said. "If the missile's production in North Korea is confirmed,