Officials with the Baltimore Police Department say they will be on higher alert in response to explosions that killed at least two people and injured several others Monday.
If you are out and about in Baltimore city, expect more officers at events and critical sites.
Baltimore City Police say they are on a higher alert after this afternoon's events in Boston.
Expect to see more officers at critical sites around the city and special events however the department does stress there is no specific credible threat here in Baltimore.
Anne Arundel County Police say they are not taking any specific measures but do have extra resources on hand in case it needs to react.
Over in Prince George's County, its police department said it is adding extra patrols while the University of Maryland, College Park does the same.
Meanwhile, this weekend is the Komen Race for the Cure event in Ocean City.
Police down there say they are assessing this situation in Boston and will prepare accordingly for the Ocean City race this weekend.
Back to Baltimore city, Commissioner Anthony Batts is reviewing every event coming up for the foreseeable future.
This includes an Oriole home stand which starts Tuesday night and the Sole of the City 10K coming up this weekend in the city; anything from here on out will see an extra and very visible police presence.
In Baltimore County, Police Chief Jim Johnson has directed all commanders to begin -- effective immediately -- checks on critical infrastructure sites.
About two hours after the winners crossed the line, there was a loud explosion on the north side of Boylston Street, just before the photo bridge that marks the finish line. Another explosion could be heard a few seconds later.
The Boston Marathon said that bombs caused the two explosions and that organizers were working with authorities to determine what happened. The Boston Police Department said two people were killed and 23 others injured.
Several from the Baltimore area participated in this year's Boston Marathon. Among those -- the Falls Road Running Club.
Officials say all of the members of the club that participated in the race are safe and accounted for.
* The Associated Press contributed to this report.