Authorities in southwest Iowa were on the lookout this afternoon for two suspects involved in the theft of an SUV. According to reports,  two people in an SUV stolen out of Nodaway County, MO., led law enforcement through several southwest Iowa counties before the vehicle crashed along a levee south of Sidney. The SUV caught fire  and the suspects escaped on foot. Unconfirmed reports said shots may have been fired during the chase. The Fremont County Sheriff’s Office has asked the Marnie Simons Elementary School and Nishnabotna Middle School to be on lock down, while an is underway north of Hamburg. School officials said that students are not in danger, and they ask that no one visit the schools until the sheriff’s office has given the all-clear.