A man who claims he was only answering a Craigslist ad from somebody seeking to arrange delivery of a package to his son at Harvard was arrested today on federal charges of aiding and abetting an extortion attempt and conspiracy for an incident that shut down part of the Harvard campus last month after police discovered a bag containing a box full of Roman candles, bottle rockets and wires, following a series of threatening extortion phone calls that day. Read more.

Roving UHub photographer Raymond A. snapped the newest falling-equipment zone, at Harvard Square station, where a utility box disassociated from the column it was attached to yesterday, hitting a woman who had to be taken to a local hospital for observation, a couple months after a ceiling tile almost beaned another rider at the station.

WCVB reports she was taken to a local hospital for observation. Photo of the aftermath.

It comes after another rider was almost beaned by a falling ceiling tile at the station in March.

Transit Police report arresting a Belmont man they say bit an officer hard enough to break his skin in a failed attempt to escape arrest on charges he was harassing and exposing himself to other passengers at the Harvard Square Red Line station around 3 p.m. yesterday. Read more.

Christopher Schmidt reports that when the Red Line opened in 1912, some MIT students took measurements of how long a train took to get from Harvard to Park Street (then four total stops, since Charles/MGH hadn't been built): 7.3 minutes. Read more.

The MBTA has begun removing ceiling panels at the Harvard Red Line station after one of the 20-to-25-pound panels fell ten feet to the platform, narrowly missing a rider - and plans inspections of all its ceiling panels at all its stations to reduce the need for riders to worry about getting hit in the head with one, interim MBTA General Manager Jeff Gonneville said today. Read more.

Cambridge Police report successfully taking into custody a man they say "pulled a weapon on his health-care worker and then barricaded himself inside his large, multi-unit Massachusetts Avenue residential building apartment" this afternoon. Read more.

Cambridge Police report arresting a man who set a bush on fire in the 1000 block of Massachusetts Avenue early yesterday - and also charged him for a dumpster fire in an alley off Mount Auburn and Athens streets the day before. Read more.

The Harvard Crimson reports on the imminent opening of a Harvard Square outlet of a New York ice-cream chain that sells ice cream in fish-shaped waffle cones aimed specifically at the sort of discriminating customers who want to instantly post photos of themselves with their cones on Instagram.