Tehran, July 19 -- The conflict between the United States and Iran escalated further on Sunday, with fresh military operations unfolding across West Asia, including reported US attacks on Iranian nuclear power plant infrastructure and military assets, with Tehran's retaliatory drone attacks against Washington allies.

The International Atomic Energy Agency (IAEA) said it is investigating reports of an overnight attack on the under-construction nuclear power plant in Darkhovin, in Iran's southwestern Khuzestan province.

"The IAEA is looking into reports of an overnight attack on the construction site of a planned nuclear power plant in Darkhovin, Iran. The facility is in the very early stages of construction and contained no nuclear mater...