Roadside bombs killed four US soldiers in the Baghdad area, including three in a single strike, the military said in Iraq today.

Roadside bombers killed seven US troops in one day, four of them in a single blast near Baghdad, raising to at least 28 the number of American soldiers killed this week.

IRANIAN intelligence operatives have been training Iraqi fighters inside Iran on how to use and assemble deadly roadside bombs known as EFPs, the US military spokesman said yesterday.

Iran has been training Iraqi fighters to make deadly roadside bombs known as EFPs, the US military spokesman said in Baghdad today.