U.S. oil major Chevron pulls staff from northern Iraq

HOUSTON (Reuters) - Chevron Corp removed its expatriate staff operating in northern Iraq as a security precaution, a spokeswoman said on Monday, joining other oil companies pulling staff following the U.S. killing of an Iranian general in the country.U.S. officials last week called for American citizens to leave Iraq hours after a drone strike killed Iranian Quds Force leader Qassem Soleimani and Iraqi militia commander Abu Mahdi al-Muhandis. Chevron said a small contingent of expatriate..