Fears that decision to strike could be open-ended as Trump comes under pressure to spell out his vision for Iran

War highlights strained alliances, unfettered militaries and a Washington with renewed appetite for regime change

US president signals willingness to engage with Tehran’s surviving leadership as strikes and retaliatory attacks intensify across region

Fears that decision to strike could be open-ended as Trump comes under pressure to spell out his vision for Iran

The war has already become regional: Iran is attacking American-aligned Arab states in the hope that they will pressure Trump to sign a ceasefire

The US president laid out some of his objectives on Monday, but made no mention of what Iran's future might look like after the war.