Israel's continued military operation in southern Lebanon has reignited tensions with Iran, which has explicitly linked its potential 'harsh response' to the failure of Israel to cease attacks. According to The Guardian, the agreement between Iran and the US—reached on Sunday—depends on Israel's withdrawal from Lebanon. Iran's top envoy reiterated that the deal is contingent on this condition, framing Israel's actions as a direct threat to its terms.

The situation has escalated to day 110 of the conflict, as reported by Al Jazeera. Iran has warned that its response would be severe if Israel does not halt its operations, signaling a critical test for the fragile US-Iran pact. This development underscores the fragility of diplomatic efforts amid ongoing hostilities.

The US-Iran agreement, while not fully detailed in sources, is presented as a conditional framework. Iran's stance suggests that any deviation by Israel could trigger retaliation, potentially destabilizing the region. Meanwhile, the strain on US-Iran relations, as noted in Al Jazeera, highlights the precarious balance between military actions and diplomatic negotiations.

No further details about the agreement's specifics or Iran's exact response mechanisms are provided in the sources. The focus remains on the immediate threat posed by Israel's actions and Iran's conditional warnings, reflecting the high stakes of the Lebanon crisis.