The city of Worcester has started an investigation into allegations that one of its firefighters posted an antisemitic image on Instagram, in which a photo of President Joe Biden was edited to make him look like Adolf Hitler at a podium with a swastika. Robert Trestan, regional director of the Anti-Defamation League in New England, detailed the post in a letter to acting Fire Chief Martin Dyer on Dec. 6. Trestan wrote the ADL received reports from community members about the “allegations and offensive conduct” concerning a city firefighter, including other reports the firefighter “previously posted racist remarks regarding the...