Update: French police confirmed a total of six attacks in Paris, including two suicide attacks and one bombing near the Stade de France, as well as attacks at the Bataclan concert hall and a restaurant. French news outlets reported that police launched an assault on the Bataclan concert hall, where gunmen were holding 100 hostages. According to The Guardian, eight attackers are dead, several of whom died after detonating suicide belts. Authorities have reported that the number of fatalities has reached at least 120. ISIS has claimed responsibility for the attacks; President Hollande agrees it was the terror group. A motive has yet to be determined.
Earlier: According to reports, including from Agence France-Presse, there's a hostage situation inside a Paris, France concert hall. They cite French police as confirming that hostages are being held within the Bataclan concert hall, which is in the city's 11th arrondissement.
As Consequence of Sound detailed, the venue's schedule indicates it was hosting a sold-out show by Eagles of Death Metal when the incident took place. This comes amid a chaotic night of seemingly coordinated, violent attacks throughout Paris — there's also been an explosion in a bar near the Stade de France, where a high-profile soccer game between France and Germany had been playing out, and multiple shootings have reportedly claimed at least 60 lives. According to The Guardian, french authorities have stated that at least 100 people have been taken hostage.