Two national agencies fighting corruption in Ukraine have named Ukrainian President Volodymyr Zelenskyy’s former chief of staff as an official suspect in a major graft investigation.

A U.S.-brokered ceasefire between Russia and Ukraine was due to expire Monday with both sides accusing each other of breaching the 72-hour arrangement, as American and European officials considered how they might steer the warring countries into further talks.

North Korean leader Kim Jong Un praised soldiers who blew themselves up while fighting against Ukraine up rather than be captured — confirming reports that the Hermit Nation’s soldiers were resorting to suicide bombings while fighting for Russia.

Ukraine’s military is increasingly using robots to replace human soldiers, even in combat assault missions, helping to counter Russia’s manpower advantage.

Tensions are high as Russia prepares to celebrate its most important secular holiday Saturday. Fears in Moscow about security amid the war with Ukraine have forced officials to scale back the annual celebrations, and signs of domestic discontent are casting a shadow over President Vladimir Putin’s Red Square events.