India, June 23 -- European stocks finished modestly lower on Monday as investors waited for Iran's response to the weekend U.S. air strikes on its nuclear sites.

Media reports suggest that Iran is mulling blocking the Strait of Hormuz, a key artery for global oil and gas supplies being sent around the world from Middle East. Other reports said that Iran may target one of several U.S. military bases located throughout the region.

Meanwhile, Israeli officials have signaled that the country is prepared to halt its military campaign against Iran if Supreme Leader Ayatollah Ali Khamenei ceases hostilities and seeks a resolution to the conflict.

Germany's DAX sank 81.54 points or 0.35 percent to finish at 23,269.01, while the FTSE in London di...