he aha rā ...
1. and what happens, unbelievably, unexpectedly - a phrase used idiomatically sometimes to question why something was sanctioned when the speaker does not believe it will happen or be successful.
I mārena rāua i te tau 1984. He aha rā, ka wehe rāua, ā, ko te tama kua noho atu ki te pāpā, ko te tamāhine, e noho mai ana ki te māmā (HKK 1999:190). / They were married in 1984, and what happens, they separate and the son stays with the father, the daughter lives with the mother.