Police and army troops used both rubber bullets and live rounds, and fired tear gas from helicopter. The worst violence occurred at El Durazno, on the northern outskirts, where protesters took over the highway. TV footage showed some protesters armed with sticks and pick-axes.
A Zelaya supporter was wounded in the head by a gunshot and was seriously hurt; police spokesman Daniel Molina alleged the shot was fired by protesters.
Red Cross spokesman Domingo Flores said protesters attacked an ambulance and beat three Red Cross workers, accusing them of being coup supporters.