The Boston Globe is reporting that there were two explosions near the finish line of the Boston Marathon.
Time Magazine is reporting that two people have been killed and 22 are injured.
According to CNN, the explosions occurred a few seconds apart at about 2:45 p.m., according to CNN.
The Boston Marathon headquarters is on lockdown, according to Reuters.
Boston Marathon officials shared this message on Facebook: "There were two bombs that exploded near the finish line in today's Boston Marathon. We are working with law enforcement to understand what exactly has happened."
The Boston Marathon website shows that 974 people from Illinois are participating in this year's event, including five from Highland Park: Daniel Bricker, Volker Fischer, Jennifer Grosshandler, Julie Pfeiffer and Steven Sclamberg.
For live updates and photos, check in with the BackBay Patch in Massachusetts.
Do you know anyone who is running the marathon? Tell us in the comment section.