Russian Davos faces security threats
Explosions and fires occurred during the St. Petersburg International Economic Forum.
Russian President Vladimir Putin hosted the 'Russian Davos' event.
Over 130 countries participated, including a Trump administration member.
50 drones were downed in Leningrad Oblast overnight.
30 flights were delayed or canceled at Pulkovo Airport.
Ukraine targets Russian energy infrastructure to disrupt Moscow's revenue.
Putin aims to showcase economic resilience during the forum.
45 minutes ago