Officials with the Winona County Sheriff's Office tell the Associated Press they are seeking an arrest warrant to take a 17-year-old suspect into custody. Authorities say the teen was at the hospital in Rochester when the pipe bomb was discovered in the trunk of his mother's car last Thursday. It was safely detonated and no was hurt. The teen allegedly made the 3-foot-long pipe bomb in Winona County.

Philip Pariso is facing two counts of terroristic threats and two counts of kidnapping. Police say the Inver Grove Heights man walked into M&I Bank in downtown Minneapolis on Friday and said he had a bomb. The threat led to the lunchtime evacuation of Gaviidae Common and surrounding streets.

The newspaper criticized the Rochester hospital's decision to build proton beam cancer facilities, saying the move is a medical "arms race" that ignores cheaper and equally effective alternatives. Hospital officials say the move is in the best interests of their patients.

The six-member team landed at the Minneapolis-St. Paul International Airport Saturday night. The researchers were monitoring a group of climbers to study how high altitude impacts the heart, lungs and sleep.