Read the latest on plans to kill up to four mountain lions in the foothills near Tucson from The Arizona Daily Star:
Since the fall, the lions have reportedly growled at visitors, stalked people twice and lost their natural fear of humans, officials have said.
State and federal officials announced Tuesday that they would keep Sabino Canyon closed to the public for up to two weeks out of concern that a lion attack on humans is imminent. They also said professional trackers would be sent in to hunt down and kill the lions.
Read more detail on the lions here.