Which Jewish tribe of Medina was besieged and subsequently expelled after the Battle of Khandaq (Trench) for conspiring with the invading Makkan forces?

Explanation

After the Battle of Khandaq (also known as the Battle of the Confederates), the Banu Qurayza tribe was besieged and dealt with severely for their betrayal and conspiracy with the Makkan and allied forces during the siege of Medina. Banu Nadir and Qaynuqa were expelled earlier.