Las Vegas Metropolitan Police Department (Las Vegas Review-Journal/File) SWAT officers and crisis negotiators were working a barricade situation midday Tuesday in the southwest Las Vegas Valley. Metropolitan Police Department officers began a stakeout about 7:15 a.m. on the 9700 block of Fox Estate Street, near West Silverado Ranch and South Decatur boulevards, police said. The call turned into a barricade situation, and SWAT and negotiators responded. No further information was immediately available. This is a developing story. Check back for updates. Contact Mike Shoro at [email protected] or 702-387-5290. Follow @mike_shoro on Twitter.