Gunmen killed an Iraqi journalist from The New York Times as he drove to work, the third staffer of a Western news organization to be killed in the past two days. In his last moments, Khalid W. Hassan called his mother on his cell phone and told her he had been shot. Hassan, 23, was the second Times employee killed in the Iraq conflict, in which 110 journalists and 40 media support staffers have been killed since the 2003 US invasion, according to the Committee to Protect Journalists. The Times said the circumstances of Friday's attack remain unclear. Hassan was driving to work when he called the bureau to say his normal route to the office was blocked by a security checkpoint so he was taking a different path. Less than an hour later, he was attacked in the Sadiyah district of southwest Baghdad. He was able to call his mother, telling her, "I've been shot." His family later called the bureau and reported he had been killed, the paper said.