Article Photos: Oklahoma City-area school districts say security is beefed up 91/197

Residents greet each other before the start of an interfaith vigil for the victims of the Sandy Hook Elementary School shooting on Sunday, Dec. 16, 2012 at Newtown High School in Newtown, Conn.  A gunman walked into Sandy Hook Elementary School Friday and opened fire, killing 26 people, including 20 children.  (AP Photo/ Evan Vucci) ORG XMIT: CTEV114