A Reuters witness saw two other tanks parked beside the main road from Harare to Chinhoyi, about 20 km (14 miles) from the city. One, which was pointed in the direction of the capital, had come off its tracks. Soldiers at the scene refused to talk to Reuters.
Earlier on Tuesday the youth wing of Zimbabwe’s ruling party accused the military chief of subverting the constitution for threatening to intervene after President Robert Mugabe plunged the country into crisis by sacking Mnangagwa last week.