• Man wounded by Dallas officers after refusing commands to drop gun, authorities say

  

• Cold weather advisory issued for the Pittsburgh area with sub-zero wind chills expected

  

• Man killed in crash on Interstate 79 was Slippery Rock student

  

• At least 6 people killed, 4 injured in weekend shootings in Chicago

  

• Mother of 5 found shot, killed in South Side alley over weekend

  

• Dallas set to exonerate man wrongfully executed for murder 70 years ago

  

• Sacramento region honors Martin Luther King Jr. Day with marches, other events

  

• At least 1 killed in shooting involving police in Newark, N.J., sources say