Breaking News from CBS

• Video: Caught on tape: Twister near Newcastle, Okla.

  Video: Menacing tornado seen in distance.

• Mammoth Okla. twister kills at least 51, including 20 kids

  State officials say death toll likely to rise as rescuers sift through area ravaged by half-mile-wide tornado; More than 230 people hurt

• Video: At least 51 dead after tornado strikes outside Oklahoma City

  At least 51 people are dead after a devastating tornado struck outside Oklahoma City. The storm leveled two schools and countless homes. Marlie Hall reports.

• Video: 5/20: Deadly tornado strikes Okla.; Fmr. Cincinnati IRS office worker speaks out

  At least 51 people were killed in the massive tornado that hit Moore, Okla; Also, Dean Reynolds speaks to Bonnie Esrig, a retired employee of the IRS office that's accused of political targeting. She says that in her 24 years in the office under two Democratic and two Republican presidents, she never heard anyone say, "The president wants this done."

• Video: Oklahoma tornado as seen by storm chasers

  The storm chasing team Basehunters recorded close-up footage of the deadly tornado that decimated the town of Moore, Oklahoma.