By WHAV Staff | UMass Lowell iHub, Haverhill. (Courtesy photograph.) The Greater Haverhill Chamber of Commerce plans a free “Leads Lunch,” networking event, next Wednesday, July 7. Space is limited for the in-person events which take place the first Wednesday of the month, from noon-1 p.m., at UMass Lowell Innovation Hub, 2 Merrimack St., third floor, Haverhill. Networking is free for Chamber members and $10 for non-members. Register at haverhillchamber.com.