Zimbabwe's Prime Minister Morgan Tsvangirai has said that anyone invading farms will be arrested - in an apparent challenge to Robert Mugabe.
Mr Tsvangirai said the recent land invasions "are actually acts of theft".
President Mugabe has said that the government would continue to seize white-owned farms as part of his land reform policy.
Veteran opposition leader Mr Tsvangirai joined Mr Mugabe in a power-sharing government last month.
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