Students at Concord-Carlisle Regional High will have to go through metal detectors and are being told to leave backpacks at home because of threatening messages found in the boy's room, Channel 4 reports.

J.L. Bell posts a deposition from Edward Thoroton Gould, a lieutenant in His Majesty's 4th Regiment of Foot who was on the front line at the Battle at the Old North Bridge.

... On our arrival at that place, we saw a body of provincial troops, armed, to the number of about sixty or seventy men. On our approach, they dispersed, and soon after firing began, but which party fired first I can not exactly say, as our troops rushed on shouting and huzzaing previous to the firing, which was continued by our troops so long as any of the provincials were to be seen. ...

Father Austin Fleming, who lives in Concord, reports:

Just after midnight tonight I'll hear a fife and drum corps marching down Main Street to the green in Monument Square, where I live.

Only in Concord, Massachusetts might a parade pass by your home at midnight! ...

Chris Devers reports that if the statue is life-sized, then Thoreau was pretty short.

Used under this Creative Commons license.

Jett Travolta's seizure-related death gets Christine to remembering when her friend Andy drowned at Walden Pond after suffering a seizure.

Verrill Farms this afternoon:

BattleRoad.org has a complete calendar of events for today and tomorrow - and historical info.

J.L. Bell finishes up destroying every myth we hold dear about Paul Revere, ending with the fable that his ride actually made a difference.

Photos: Patriots Day in Concord.

It wasn't "The British are coming!"

Evan reports on his trek (so no, he didn't fall through); he saw plenty of ice-fishing holes and a snowman standing on the ice in the middle of the pond.

Joe Driscoll stayed firmly on solid ground as he photographed Forest Hills Cemetery in the snow.

Had to be talked out of trying to walk clear across Walden Pond.

We haven't been keeping up with our Concord news, so we were shocked yesterday when we made our annual trek to Arena Farms to learn the place was closing forever on Oct. 31: