Boston July 5, 2023 4:39 am Sumner Tunnel shuts down: What you need to know to plan your commute Sumner Tunnel have shut down for the summer and it is expected to affect our commutes. US & World Videos 2:03 Parents and teachers demand action as mold problems plague Cape Cod elementary school 2:02 Woman hurt in Green Line derailment speaks to NBC10 Boston about MBTA 2:46 Boston-based company selling AI robot that grows cannabis 2:24 MIAA experiencing hockey referee shortage 2:08 Artists reveal paintings hidden in walls of Old North Church