He seized control of Kisurra for a time as two year-names are found among tablets from this city, possibly following the departure of Sumu-abum the king of Babylon who “returned to his city.” The occupation was brief, however, as Sumu-El was to conquer it during his fourth year.[27] Other year-names record Bur-Suen's construction of fortifications, walls on the bank of the Eurphrates and a canal.