2 Samuel 2:16

They each caught his opponent by the head and thrust his sword in his fellow’s side; so they fell down together. Therefore that place in Gibeon was called Helkath Hazzurim.

And they caught every one his fellow by the head, and thrust his sword in his fellow’s side; so they fell down together: wherefore that place was called Helkath-hazzurim, which is in Gibeon.