Live bullets have been fired in Kisumu, western Kenya, the BBC’s Emmanuel Igunza reports.
Two people have been wounded – both have had gunshots to the thigh.
One of the injured is a 15-year-old boy and the other is a 21-year-old man.
They are both being treated in hospital.
Relatives at the hospital say police shot the live rounds.
Our correspondent adds that tear gas has also been fired and crowds have dispersed from the main square in the opposition stronghold.