The city of Haverhill is hoping to secure between $100,000 and $5 million from former New York City mayor Michael Bloomberg’s charitable foundation, which would be used to develop and implement innovative strategies to fight the city’s gang problem, according to a statement by Mayor James J. Fiorentini. Haverhill was among the first of 555 US cities to enter the competition, which strives to provide funding for strong ideas to move cities forward. A professional facilitator from Bloomberg Philanthropies visited Haverhill and took part in an all-day workshop to dissect the city’s gang problem and examine potential solutions. Bloomberg Philanthropies has announced plans to award 35 “Champion Cities” $100,000 each as part of its 2017 Mayors Challenge; four other cities will receive $1 million each; and one grand prize winner will be awarded $5 million to implement their ideas to address critical issues. The first 35 winners are to be announced in January, with the $1 million and $5 million recipients to be announced in October 2018. Chelsea, Everett, Lowell, Medford, Revere, Salem, Somerville, Tewksbury, and Woburn also have entered.Brenda J. Buote can be reached at firstname.lastname@example.org.