Update 12:45 p.m.

BRECKENRIDGE, Colo. (AP) -- Officials say a man seen with a gun i a pickup outside a Summit County high school was an avid hunter who was picking up his daughter, and they don't believe he was a threat.

Two Summit County High School students said they saw a man in a pickup with a rifle on Monday, prompting officials to lock down several schools.

The sheriff's department says after interviewing the man, they determined he was not a threat. His name hasn't been released.

School district officials provided extra surveillance for after-school activities Monday and some activities were canceled.

The district attorney's office is reviewing the case but hasn't determined whether charges will be filed.

(Copyright 2010 by The Associated Press. All Rights Reserved.)

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Original story

BRECKENRIDGE, Colo. (AP) — The report of a man loading a gun inside a pickup truck in a parking lot at Summit High School prompted the lock-down of schools in the mountain community and a search for the vehicle.

Two students said they saw a man Monday loading ammunition for a rifle . They said a woman then left the school in Breckenridge and got into the truck, which drove away. It wasn't clear if she was a student.

Surveillance video at the school showed a truck with a red air compressor in the back, but license plate wasn't visible.

Summit County sheriff's deputies didn't find the truck.

School district officials provided extra surveillance for after-school activities and some activities were canceled.

(Copyright 2010 The Associated Press. All Rights Reserved.)