Courts have not construed the authority to enter a dwelling to quell a disturbance pursuant to G.L c. 41 Sec. 98 to authorize an automatic entry. For example, see Comm. v. Kiser, 48 Mass.App.Ct. 647. Here's a link to the full text of the decision: http://www.policelaborlaw.com/training/kiser.doc. Good police reports are particularly important to justify warrantless entries.