The Guardian mentions that 'according to some reports' one was 16 and the other in her 20s. Other sources confirm two women died but do not explicitly specify these exact ages in the provided snippets.

The Guardian specifically reports three survivors in critical condition due to burns from fuel and seawater. Other search results discuss different incidents (Libya) or general injuries, but only The Guardian provides this specific detail for this event.

The Guardian reports fourteen others with less severe injuries and five taken to hospital. Other provided search results for this claim refer to unrelated events (Boulder fire, Route 14 collision), leaving only The Guardian as the source for this specific incident.

The Guardian explicitly reports that a judicial investigation was launched by Boulogne-sur-Mer's public prosecutor's office for this specific incident. Other results mention investigations for different incidents (e.g., a baby drowning).