“There are more than 800, almost a thousand,” a police official told AFP, with the Red Cross reporting the same number.
The caravan, which followed a call on social media, took the authorities by surprise after similar appeals since February failed to muster numbers.
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Many families with children were among those gathered, and some have already started their journeys in crowded minibuses.
Alexis Perez, 27, said: “We are done with this government, there is no work.”
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