2 people have now been confirmed dead in Odesa

Firefighters work to extinguish a fire in a hotel at the seaport after a Russian rocket attack in Odesa, Ukraine, on September 25. Odesa Region Administration/AP

Two people have been confirmed dead following Russia's overnight attack on the southern Ukrainian port city of Odesa, according to Oleh Kiper, the head of the Odesa regional military administration.

One victim was found under the rubble of a warehouse where grain was stored, Kiper said in a social media post. The body of another individual working in the warehouse was found earlier.

Our sincere condolences to the families and friends," Kiper added. 

One injury has been reported so far.