5 Things: Pink Out Night a Success; Sheriffs Investigation Closes; Wreck on Rt 16

Good morning, here are five things to know today:

Both the Medford High boys and girls hoops teams won Wednesday night, and they also raised some money for cancer research.

Attorney General Martha Coakley has closed the investigation into the Middlesex Sheriff's Office under the late James DiPaola without any criminal charges, despite evidence of a "pay-to-play culture." After a series of conflict of interest fines levied against Middle Sheriff's Office employees over the past year (see previous articles below), one last fine has been levied: a $4,000 fine against DiPaola's sister and campaign treasurer, Patricia Covelle, according to the State House News Service.

3. Snow or Rain Tonight: There's a slight chance of showers this afternoon with highs around 40, followed by precipitation tonight, according to the National Weather Service. Rain showers could turn to snow as the temperature drops.

An accident early Wednesday morning on Route 16 may have been caused by street racing, State Police said. Shortly after midnight Wednesday, a 2004 Honda Accord driven by an unidentified 30-year-old Somerville man was travelling west in the eastbound lane near Wellington Station when it collided head-on with a Honda Civic driven by a 23-year-old Cambridge man with a 25-year-old passenger, police said in a press release. After speaking with witnesses, State Police are investigating whether the Civic was involved in a race and the second vehicle in the race fled after the accident, and why the Accord was in the wrong lane, the release said.

Tufts University ranks No. 15 on the 2012 top Peace Corps volunteer-producing colleges and universities in the medium size category, according to a list recently released by the Peace Corps. A total of 31 undergraduate Tufts alumni are currently serving overseas. Last year, Tufts University had 20 alumni volunteers and was not included in the 2011 rankings. Since the agency was founded in 1961, 517 Tufts University alumni have served in the Peace Corps.