Moscow, June 19 -- Russia has issued a grave warning following reports of an alleged Israeli strike near Iran's Bushehr nuclear power plant, saying any attack on the active facility could cause a catastrophe on the scale of Chernobyl.

According to Reuters, an Israeli military spokesperson initially confirmed an attack on the area, but the statement was later walked back, with officials saying they could neither confirm nor deny whether the Gulf coast site was targeted. Bushehr is Iran's only operational nuclear power plant, built by Russia.

Rosatom chief Alexey Likhachev warned on Thursday that the situation around the plant is dangerous. He stated that any strike on an active power unit could result in a disaster akin to the 1986 Chern...