5 Things to Know Today, Wednesday, Sept. 21

Good morning, here's five things to know today:

1. Oct. 15 from 10 a.m. to 3 p.m., Haines Square will host its first-ever fall fest, featuring live music, arts, crafts, face painting, and lots of other vendors.

2. Yesterday was the last day to submit public comment by email to the Massachusetts Department of Environmental Protection on its annual report, which requests to . Answer our poll to weigh in.

3. Eight Arrests in Four Days: A Lambert Street man arrested Friday afternoon on charges stemming from allegedly assaulting a police officer was one of eight people arrested in separate incidents between Sept. 16 and Sept. 19.

4. Fog then Sun: It's expected to be foggy until about 9 a.m. this morning, making way for a mostly sunny day, according to the National Weather Service. Highs in the low 70s.

5.   Head to the Field of Dreams at 7 p.m. to watch the High School girls soccer team plays rival Malden.