Migrant returned to France after government wins court challenge

The French government has successfully challenged a court decision, allowing it to return an Eritrean migrant to France. This comes as part of the "one in, one out" deal between France and the UK, where migrants who cross the English Channel are sent back to France. The article also reports that at least three boats carrying migrants have left French beaches, indicating the ongoing issue of cross-Channel migration. The specific details of the court challenge and the number of migrants involved are not provided, but the news highlights the continuing efforts by the French government to manage the migration situation. The article presents the facts in a concise and unbiased manner, focusing on the key events of the Eritrean migrant's return to France and the departure of other migrant boats from French beaches. It does not delve into the broader political or social implications of the issue, but rather provides a factual account of the recent developments.