Palettes of N95 respirator masks are off-loaded from the New England Patriots football team's customized Boeing 767 jet on the tarmac Thursday at Boston Logan International Airport in Boston, after returning from China. The Kraft family deployed the Patriots' team plane to China to fetch more than 1 million masks for use by front-line health care workers to prevent the spread of the new coronavirus. Credit: Jim Davis | The Boston Globe via AP

Click here for the latest coronavirus news, which the BDN has made free for the public. You can support our critical reporting on the coronavirus by purchasing a digital subscription or donating directly to the newsroom.

BOSTON — The New England Patriots opened a drive-through testing site Sunday at Gillette Stadium in Foxborough.

The parking lot site will be designated specifically for police officers, firefighters and other first responders and will be able to test up to 200 people a day for free.

Gov. Charlie Baker, after touring the site Sunday, said similar testing sites will be established in other parts of the state.

[Our COVID-19 tracker contains the most recent information on Maine cases by county]

He said a field hospital is also being set up on the military base on Cape Cod to complement ones at an arena in Worcester and the convention center in Boston.

Meanwhile, all state prisons have been placed under lockdown after a third inmate died Saturday of COVID-19, the illness caused by the coronavirus, at the Massachusetts Treatment Center in Bridgewater.

And boardwalk businesses in the seaside town of Salisbury have been ordered closed by the local health officials because police say customers and sightseers weren’t following social distancing guidelines this weekend.

As of Saturday, Massachusetts has confirmed nearly 12,000 cases of the virus and more than 200 deaths since the pandemic started.