Air quality alert issued for Boston due to Canadian wildfire smoke

Massive crowds, estimated at more than a million people, swarmed every imaginable viewing spot along Boston Harbor — from Seaport to downtown, from Charlestown to East Boston — for the arrival of more than 50 tall ships and military vessels, representing more than 20 countries, as part of the Sail250 celebration. It’s the first time Boston has hosted a tall ships event since 2017. Click the link in our bio to read how the day unfolded. Video by Alex Pickering for The Boston Globe. Edited by Anus

2026 Boston Marathon: Emotional finish line moments