The fall of Čegar allowed the Ottomans to establish a land corridor extending along the Morava River valley from Niš to the Danube. Their advance was brought to a halt after the Russians crossed the Danube in September 1809 and attacked the Ottomans in northern Bulgaria, offering the rebels temporary respite. The rebels soon recaptured all the land they had lost but were exhausted by the fighting. Henceforth, they were continuously on the defensive. The rebel leaders quarrelled amongst themselves, blaming each other for the recent defeats. Karađorđe blamed the Russians for not intervening earlier on the rebels' behalf. He subsequently wrote Napoleon seeking military assistance, and in 1810, dispatched an emissary to France. Nothing came of these requests, as the French did not believe that the rebels had the military capacity to dislodge the Ottomans from the Balkans. As his battlefield setbacks mounted, Karađorđe's behaviour became more volatile. In late 1809, he shot and wounded one of his commanders, , for making a poor military decision in the vicinity of Ćuprija.