Deal reached to keep Citgo sign in Kenmore Square

The Citgo sign is illuminated as the sun goes down in Boston.
The Citgo sign is illuminated as the sun goes down in Boston. –Keith Bedford / The Boston Globe

The Citgo sign will remain atop its longtime home in Kenmore Square after the petroleum company reached a deal with its new landlord Wednesday, with the help of Boston Mayor Martin J. Walsh.

The fate of the sign, which has illuminated Boston’s night sky for decades and lingers beyond Fenway Park’s Green Monster during Red Sox games, had been in question since last year, when the building under it was sold by Boston University to Related Beal, a New York-based development company.

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