The Persian siege train had been much improved and augmented since Nader's earlier campaigns as a Safavid general and included hundreds of heavy cannon and mortars.

Once they were in position, the Persian gunners bombarded Mosul for eight days, the mortars starting fires and doing terrible damage in the interior of the city.

Persians also started digging mines under the walls of the city but those operations led to little success.

[1] Maslawi force raised, organized and led by Hussein Pasha al-Jalili defeated the invasion of the Persian army of Nadir Shah.

However, Mahmud I, Sultan of the Ottoman Empire, later reneged on the terms of agreement and resumed hostilities.