Behind the Song: Katy Perry's 'Roar'

• Blue Angels roar over SF after weather conditions threaten air show

  

• Concord author releases "Wicked" prequel "Galinda," inspired by Ariana Grande

  

• 8 killed, including 2 children, in mass shooting in Erie; suspect also dead

  

• Family, neighbors in shock following deadly mass shooting in Erie

  

• Protesters storm Minnesota GOP event, disrupting Lisa Demuth speech

  

• Jeep "ducking" gets a digital connection through a new app

  

• Former Chicago police officer identified as child killer in 65-year cold case murder of Gloria Kowalewicz

  

• After outcry, Oswegoland Community House amends plans for Boulder Hill emergency homeless shelter