The arrest of three Zimbabwean businessmen last month on espionage charges has intensified speculation about a witch-hunt in Zanu-PF.

An American journalist jailed in Iran will be freed on Monday and can leave the country immediately, her lawyer said.

A jailed American journalist charged by Iran with espionage stood trial behind closed doors, Iran's judiciary spokesperson said on Tuesday.

Two members of a suspected spy ring arrested in Zimbabwe three years ago on charges of selling information about the ruling party to South Africa have been released from jail, their lawyer said on Monday.