Rewrite the article title: Iran, US spar as diaspora organises rallies abroad calling for action | Protests News using these rules: • Keep the title factual, clear, and neutral. • Remove reporter credits, locations, publication names, and extra descriptors not essential to the core news event. • Remove separators such as “|”, “-“, or trailing context sections unless absolutely necessary. • Focus on the main event, key person, or key topic. • Keep titles concise, readable, and SEO-friendly (8–14 words ideal). • Use natural search phrases people would use to find this story. • Avoid sensationalism, clickbait, speculation, or opinion. • Do not use ALL CAPS. • Do not add commentary. • Output ONLY the rewritten title, with no extra text.