Runners and spectators attending the 2016 Boston Marathon can expect some security changes this year.
Police say they want Marathon Monday to be a safe celebration and event. The events over the last two years have gone smoothly mostly because cooperation from the public.
According to police, there are more cameras along the route in Boston as well as uniformed police and undercover police working the crowd.
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There will be cameras along the Boston part of the route and more than 50 observation points along the finish line area to monitor the crowd.
There will also be additional ambulances, Boston EMS personnel and medical tents along the Boston portion of the course.
Police are reminding people attending the marathon to be alert and aware of your surroundings.
People should call 9-1-1 in an emergency or if they see suspicious activity.
The only bags allowed are one-gallon clear "gear-check draw-string bags" or small fanny packs.
No backpacks, no GoPros or action cameras will be allowed.
Large water containers, blankets, coolers, folding chairs and props like costumes are also banned from the area.