"We are living in inhuman conditions," Mr Benitez told the AP news agency.
But he said Mr Zelaya had been encouraging everyone to "stay calm and be patient".
On Friday, Mr Zelaya and the interim government, led by Roberto Micheletti, held informal talks in a bid to end the stand-off.
Mr Zelaya said the meeting was a positive first step, but the interim government has stressed the talks are not about returning him to power.
The crisis erupted after Mr Zelaya tried to hold a non-binding public consultation in July, asking people whether they supported moves to change the constitution.
His opponents said the move was unconstitutional and was aimed at removing the current one-term limit on serving as president, so paving the way for Mr Zelaya's possible re-election. He has denied this.
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