Monaco explosion injures three and triggers police hunt
Two people said to be in critical condition after CCTV shows man dropping backpack at residential building lobby

TL;DR
- An explosion occurred in Monaco on Monday evening, injuring three people.
- Police are hunting a suspect captured on CCTV dropping a backpack at a residential building before fleeing towards the French border.
- Two victims are in critical condition, and a 13-year-old suffered less serious injuries.
- The explosive device reportedly contained bolts and buckshot.
- This is reported to be the first such act to take place in the principality's history.