Gunmen attack near Moscow and school bus crash claims lives in separate incidents

Dozens killed in concert hall attack near Moscow; school bus accident in the U.S. results in two deaths and over ten injuries.

Gunmen opened fire at a concert hall near Moscow, resulting in numerous fatalities.
In the United States, a school bus crash led to two deaths and at least ten people being injured.
Police in Haiti are facing challenges in regaining control of the capital amidst ongoing violence.
The recent tragic events have sparked widespread concern and calls for increased security measures.
Authorities are investigating the incidents, with efforts underway to support the victims and their families.