MPR News photos of the week

A gas-fueled fire burned in Minneapolis
A broken natural gas supply line fed flames up to six stories high in front of a Cub store in South Minneapolis on Thursday, March 17, 2011.
MPR Photo/Tim Nelson

Flood preparation and the explosion of a natural gas line caught our attention this week. But we also got a look at bear research in northwest Minnesota and caught up with potential presidential candidates in New Hampshire.