– Police don't immediately know whether that explosion is related to the two near the Boston Marathon finish line.
– The two blasts near the finish line - along Boylston Street near Copley Square - "happened 50 to 100 yards apart."
– "We're recommending to people that they stay home ... and that they don'r go anyplace and congregate in large crowds."
– Relatives of people who may be missing in the area can call the mayor's hotline at 617-635-4500.
– Anyone who has information about the bombings or saw anything suspicious can call 1-800-494-TIPS.