ALEXANDER NEMENOV via Getty
- Gunmen attacked Orthodox churches and synagogues in Dagestan on Sunday, killing around 20 people.
- The attacks raised questions about Russia's domestic security as it continues its war in Ukraine.
- Experts told BI that Russian security services were likely "distracted" by the invasion.
On Sunday evening, gunmen attacked two Orthodox churches and two synagogues in Russia's predominantly Muslim Dagestan region, hurling Molotov cocktails and exchanging fire with police.