Network Rail told ITV News that there is no gas leak at London Bridge station and that train services are running as normal.
They added that four people were taken ill but the incidents were not related to each other.
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Greece's former finance minister told ITV News that Britain should remain in the EU and 'fight' to democratise it from the inside.
Monica O'Connor and at least two other people were killed in the incident, and a British man remains missing.
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