The Charles River Conservancy has set June 17 for this year's City Splash and One-Mile Swim, during which you'll be able to jump into the Charles from the Fiedler Dock on the Esplanade. Because the event and race have proven so popular, pre-registration for time slots or to enter the race will be required, although the group has yet to set up online pages to do so.

Cambridge Police report arresting a local 15-year-old this morning for what they say was a series of incidents Saturday that started with him stealing an unlocked BMW at a Brookline clothing store and ended with him nearly ramming three MIT students - just after he'd stopped near them to ditch the dog that was in the car - police say. Read more.

The MBTA reports that over the weekend it inspected ceiling tiles between Central and Andrew this weekend to make sure none are about to fall on riders' heads. Meanwhile, the removed ceiling-tile count at Harvard, where a rustily connected, water-filled tile nearly did conk one rider, is now up around 100, the T says.

The Cambridge Fire Department reports firefighters doused a flaming car next to the Green Line viaduct and across from the Museum of Science garage (and future home of the Leonard Nimoy memorial) this morning. Read more.

Cambridge Day reports the city Planning Board told a chain called Crumbl to whip up a new batch of designs for a proposed Central Square cookie bakery, one that does not include completely covering some windows with a "pink wave" motif to block would be cookie espionage by cut-throat competitors.

Boston Restaurant Talk reports the Cambridge Street restaurant, bar and music tavern closes for good on March 31.

Cambridge Police report somebody took an Uber to a Concord Avenue address, got out, then realized he'd left his banjo in the Uber:

They were informed that the driver had dropped the banjo back off. After it was not located, the resident believes there was foul play.

Darren Buck looked outside this morning: Read more.

The Harvard Crimson reports.