Three Katyusha rockets hit the "Green Zone", the administration district in the capital of Baghdad where the US delegation complex is located • Alarms were heard at the site

• American landed on the roof of the embassy in Baghdad // Photo: AP

Escalation in Baghdad: Two US Department of Defense workers were hit by rocket fire aimed at the administration's "green zone" in Baghdad, Reuters reported.

The identity of the casualties is unclear, but the US Embassy complex is one of the largest in the government district, where foreign representatives in the Iraqi capital also live.