Why was there a massive fireworks show over San Francisco Bay last night?

TOP STORIES:

• Man suspected of killing girlfriend, taking 2 children could be in Mexico, officials say
• Are efforts to address sewage crisis at risk with federal health agency gag order?
• Live video: Scene of plane crash near Washington’s Reagan Airport
• American Airlines plane in Potomac River after crash with helicopter, officials say
• Black Hawk helicopter and a passenger jet collide near D.C.
• Fact-checking RFK Jr.’s claims on vaccines, pesticides at confirmation hearing
• Trump says he’s ordering Guantanamo Bay to be prepared to host up to 30,000 migrants
• TSA’s mission: Lost, found and (hopefully) reunited
• Rihanna makes first court appearance at the trial of her partner A$AP Rocky, as accuser testifies
• Rep. Lateefah Simon returns to Bay Area for first working trip at home
• North Bay seniors say they struggle to keep warm in their apartment complex, face costly bills