All our prayers are with those who were injured and those who lost loved ones.
Update — The Globe is live blogging events from Copley Square.
Update II — A graphic scene via Bruce at Twitter.
Update III — They’re allegedly finding other “devices” around the area and city.
Update IV — The Boston police commissioner said there’s been a third explosion at the JFK library but it’s not clear if they’re related. He indicated they’re looking for suspects, indicating it’s indeed a form of terrorism, though he shied away from being more definitive. Still a of unknowns. … He said no other “devices” have been discovered.