New Delhi, Jan. 31 -- The U.N. atomic watchdog's board held a special session Friday to discuss risks to nuclear safety in Ukraine as concerns mount that relentless Russian attacks on its energy infrastructure pose an increasing danger of a nuclear accident.

The urgent meeting of the International Atomic Energy Agency's board of governors was held at the request of the Netherlands with support from 11 other countries, diplomats said - Belgium, Canada, France, Germany, Italy, Japan, Lithuania, Luxembourg, Portugal, Romania and the United Kingdom. Though it won't produce any binding outcome, the aim is to increase diplomatic pressure on Russia.

Russia's "ongoing and daily" attacks against Ukraine's energy infrastructure in recent weeks ha...