Israel pounded Lebanon with its heaviest strikes yet on Wednesday, killing hundreds of people and drawing a threat of retaliation from Iran, which suggested it would be ¡°unreasonable¡± to proceed with talks to forge a permanent peace deal with the United States.

The warning from Iran¡¯s lead negotiator, parliament speaker Mohammed Bager Qalibaf, laid bare the continued volatility in the region following Tuesday¡¯s ceasefire announcement by President Donald ?Trump.

The two sides have laid out sharply contrasting agendas for peace talks set to start on Saturday, but it was unclear whether the two-week ceasefire would ?hold until then.