NBC is providing a special report on the latest developments in the hostage release.

The FBI is investigating a vehicle explosion that happened at the Rainbow Bridge. This bridge is the border crossing between the U.S. and Canada at Niagara Falls.

At least 22 are dead, and dozens are injured after a mass shooting in Maine.

Attorney General Merrick Garland is anticipated to make a major announcement, today (11/18) at approx. 2:15p ET.

The FDA panel functions like a science court. With unprecedented interest in the normally obscure panel, the FDA broadcast the meeting via Youtube, and thousands logged on. Pfizer representatives told the panel they are aware of the British reports but have seen no signs of allergic reactions in their trial of the vaccine. IMPACT OF EMERGENCY AUTHORIZATIONAnswering some of these questions will require keeping Pfizer’s study going for many more months. But Pfizer and BioNTech said Thursday they have an “ethical responsibility” to switch the 22,000 placebo recipients to real shots after FDA gives the vaccine its OK.