Tehran said American bases in the Middle East could face reprisals if the U.S. helped repel Iranian attacks on Israel.

The Lebanese militant group Hezbollah was long considered Iran’s first line of defense in case of a war with Israel.

Group of Seven powers on Sunday began negotiating on whether they can find common ground on an escalating conflict between Iran and Israel, as leaders including US President Donald Trump

The risk of conflict is growing as Iran signals strikes on Israeli nuclear facilities despite ongoing nuclear talks.

KANANASKIS, Alberta — Leaders of some of the world’s biggest economic powers arrive in the Canadian Rockies on Sunday for a Group of Seven summit, overshadowed by an escalating conflict between Israel and Iran and U.S. President Donald Trump’s unresolved trade war with allies and rivals alike.

Israel struck key Iranian nuclear sites to curb bomb development amid rapid uranium enrichment and rising tensions.

Israel began Operation Rising Lion to degrade Iran's nuclear facilities and aerial capabilities, and take out top military leaders.

The Lebanese militant group Hezbollah was long considered Iran’s first line of defense in case of a war with Israel