Boston Mayor Martin Walsh speaks to media in Boston, Thursday, Feb. 27, 2014. Walsh will boycott St. Patrick's Day parades to protest policies on gay groups. Walsh said this week he's trying to broker a deal with his city's parade organizers to allow a group of gay military veterans to march. The son of Irish immigrants said that allowing gay groups to participate is "long overdue." (AP Photo/Elise Amendola)
Boston Mayor Martin Walsh speaks to media in Boston, Thursday, Feb. 27, 2014. Walsh will boycott St. Patrick's Day parades to protest policies on gay groups. Walsh said this week he's trying to broker a deal with his city's parade organizers to allow a group of gay military veterans to march. The son of Irish immigrants said that allowing gay groups to participate is "long overdue." (AP Photo/Elise Amendola)
AP

BOSTON (AP) — Mayor Martin Walsh will host a regional summit on gun trafficking.

The event will feature a mayor’s round table discussion on gun violence, best practices and challenges. Mayor Domenic Sarno of Springfield will participate.

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The U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives and the U.S. Attorney’s Office will also speak about federal law enforcement efforts.

Walsh and Boston Police Commissioner William Evans are expected to make opening remarks.

The event will be held Thursday at Roxbury Community College.