Russia fires missiles at Odesa port hours after signing grain export deal

Airstrikes raise doubts about viability of agreement as Russia also launches series of attacks across Ukraine

• Russia-Ukraine war: latest updates

Barely 12 hours after Moscow signed a deal with Ukraine to allow monitored grain exports from Ukraine's southern ports, Russia targeted Ukraine's main port of Odesa - through which grain shipments would take place - with cruise missile strikes.

The enemy attacked the Odesa sea trade port with Kalibr cruise missiles," Ukraine's operational command south wrote on Telegram, raising doubts about the viability of the deal that was intended to release 20m tonnes of grain to ward off famine in large parts of the developing world.