Israel unleashed airstrikes across Iran for a third day Sunday and threatened even greater force as some Iranian missiles evaded Israeli air defenses to strike buildings in the heart of the country.

Smoke and flames filled the sky over Tehran as Israel struck oil and gas facilities in the Iranian capital and targeted more nuclear facilities during attacks that carried on into Sunday after starting two days earlier.

Israeli fighter jets destroyed several aboveground buildings at Natanz, Iran's main uranium enrichment facility, images show.

Netanyahu reveals Israel struck the heart of Iran's nuclear program, targeting the Natanz facility and nuclear scientists working on Iran's weapons development

Video aired on Iranian state media appears to show explosions at the Natanz nuclear facility as Israel launches a series of strikes across the country. Prime Minister Benjamin Netanyahu said Israel targeted the site,