What event is upcoming?
the Winter Olympics
Which organization runs it?
International Olympic Committee
Who is in charge of that group?
Thomas Bach
What's his position?
Committee President
Where are the Olympics being held?
Sochi
Which is in what country?
Russia
Is it an urban location?
no
Who is the leader of Russia?
Vladimir Putin
How many bombings were there?
Two bombings
How much time passed between them?
24 hours
Where were the explosions?
one targeting the city's main train station and the second a trolley bus
In what city?
in Volgograd
Has anyone been arrested?
No
Who is thought to have done it?
Chechen separatist groups
How long has the struggle in Chechnya gone on?
almost two decades
What region are they in?
the North Caucasus region
Who is a leader in the struggle?
Doku Umarov
What organization is he in?
the Islamist Caucasus Emirate group
Is he in charge of that?
yes
Who used to live in Sochi?
Muslim occupants