פירוש על עזרא 4:2

and said to them, “Let us build with you...” They said this in order that through them the work of the Temple should be disrupted, that they should build no more.

since the days of Esarhaddon the king of Assyria the son of Sannecherib, for after Sannecherib settled them there, as it says (II Kings 29:37, Isa. 37:38): “And he was prostrating himself in the temple of Nisroch his god, and Adramelech and Sharezer, his sons, slew him by the sword etc., and his son Esarhaddon reigned in his stead.”