In 2010, there were concerns among Tajik officials that Islamic militarism in the east of the country was on the rise following the escape of 25 militants from a Tajik prison in August, an ambush that killed 28 Tajik soldiers in the Rasht Valley in September, and another ambush in the valley in October that killed 30 soldiers, followed by fighting outside Gharm that left 3 militants dead. Why was there concerns in 2010?