Civil War in Vienna

In Vienna, a bank robbery gone terribly wrong required a military intervention. The city was placed on lockdown for three days and three nights.

What is commonly known (you may decide if your PC knows this or not):

Most Tremere were unavailable for three nights in the Summer of 2018

What characters with Tremere Lore may know if they choose:

One of the factions within the high-levels of the Tremere hierarchy attacked another.

What Tremere characters may know if they choose:

One of the Councilors formally challenged Tremere himself, and lost the Certamen duel.

What characters with Sabbat Lore (or were formerly in the Sabbat) may know if they choose:

At the end of the three nights, Gortirix was no longer within the Sword of Caine. It is unknown if he is alive or not.