Trump "expressed concern over the vast wildfires afflicting Siberia. The leaders also discussed trade between the two countries," according to a brief statement from Trump's press office.
The fire broke out in a single-story wooden building rented by an unnamed Chinese company and used as a dormitory for the sawmill workers, local authorities said. Firefighters battled the blaze for more than two hours.
The workers died when a dam on the Seiba River collapsed in the early hours of Saturday and flooded several cabins where they lived, authorities said.
Russian President is renowned for posing for high-octane photo opportunities like tiger-tracking or deep water diving.
Blue eyes and ginger fur set the young pup apart from the rest of the rookery in Siberia's Sea of Okhotsk and researchers say fellow seals often ignore it, signalling a worrying development.