Police are investigating an axe attack that sent a woman to hospital with head injuries.

It happened just after 7 a.m. CST at a house on Avenue O South.

It's not known what triggered the assault.

Seven police cruisers blocked off the tree-lined street as they interviewed witnesses in the bungalow. At least one person was in custody.

Scene of an early morning axe attack. (Dan Zakreski/CBC) The victim was taken to hospital.

It's not known how badly she was hurt.