No correlation or specific threats have been made between Southern California and the blasts at the Boston Marathon that killed three and injured more than 100 people, but local authorities are still stepping up security measures. NBC4's Annette Arreola reports for Today in LA on Tuesday, April 16, 2013.
No correlation or specific threats have been made between Southern California and the blasts at the Boston Marathon that killed three and injured more than 100 people, but local authorities are still stepping up security measures. NBC4's Annette Arreola reports for Today in LA on Tuesday, April 16, 2013.