injured more than 20. more than a dozen are still unaccounted for. authorities suspect this was a gas explosion, but it is still under investigation. ksaz in phoenix has jan brewer s announcement that she won t seek a third term in office. there was speculation she would challenge the two-term limit. and this is a live look at denver from our fox affiliate there. the big story there tonight is a police chase that included three stolen vehicles, spanned close to 100 miles, and lasted almost two hours. the suspect was eventually apprehended and a 4-year-old inside the first vehicle stolen was found safe. that s tonight s live look outside the beltway from special report. we ll be right back. [ male announcer ] this is kevin.