Welcome back to the work week. To get you started, here's five stories to know about today:
1. Six dead in Pa. fire: Six people, including four children, were killed in a Pottsville fire overnight. It wasn't immediately clear what sparked the Schuylkill County blaze.
2. Chesco gun raffle: An AR-15 rifle will be raffled today at an event to benefit the Chester County sheriff's K-9 unit. The auction of the gun -- the main weapon used in the Newtown, Conn., school massacre -- has drawn national attention and some groups have urged county commissioners to halt the raffle.
3. Urban stress study: Health officials are slated to release results of a new study on the long-term effects of exposure to violence during childhood at the National Summit on Adverse Childhood Experiences at hte Independence Visitors Center today. CBS Philadelphia reports that Philly is the first city where the effects of urban stress were studied.