Breaking News from CBS

• More tornadoes touch down in hard-hit Midwest

  Powerful storm system rumbles through Oklahoma and Kansas, just days after ten twisters ripped through northern Texas and destroyed neighborhoods

• Conn. train collision a major headache for commuters

  About 2,000 feet of track was destroyed after Friday night train collision injured 72; will be days before things return to normal

• Video: Lucky lotto: How a $4.8 million winning ticket saved a family

  A multi-million dollar payout from a winning lottery ticket saved a home from foreclosure in Chicago, and the family swears it's all because of their own guardian angel. Dean Reynolds reports.

• Video: Train collision will cause major headache for commuters

  Crews are just starting to rebuild hundreds of track south of New Haven, Conn., after a train collision Friday night sent 72 people to the hospital. The missing track will cause an ugly commute for thousands. Don Dahler reports.

• Video: Long Island college student accidentally killed by police

  Instead of celebrating graduation day, students at Hofstra University on Long Island are mourning a classmate accidentally killed by a police during a confrontation with an armed suspect. Terrell Brown reports.