The Latest on Europe's migration crisis (all times local):

1:50 p.m.

The mayor of Paris has presented a plan to open a new reception center for migrants in the French capital.

Mayor Anne Hidalgo said Tuesday the center in north Paris designed for up to 400 people is aimed at taking care of "several dozen migrants arriving everyday" in the city.

People will be allowed to stay there for up to 10 days before being transferred to other facilities in France where they can apply for asylum.

Hidalgo says she hopes to have the center open by mid-October and that it will prevent migrants from camping in squalid conditions elsewhere in the capital.

French authorities say about 15,000 migrants have been removed from Paris streets and parks and given shelter since June 2015.

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1:40 p.m.

Italian police say 21 people have been detained on suspicion of transporting new Syrian migrants into Germany, Austria and France in a fleet of old cars.

Police say 10 of the 18 drivers arrested in Germany and Austria were Italian, but that the main organizers of the land-based smuggling network that charged 500 euros per passenger were Syrian, Egyptian and Tunisian.

They said in a statement Tuesday that the taxi network ferried 200 migrants north from Italy and Hungary from December 2014 to May 2016.

Police say the Como, Italy-based organizers recruited the drivers and provided them with 170 different used cars, many owned by fictitious companies.

The investigation began in September 2015 when an Italian was arrested in Hungary with several migrants in his car, according to Eurojust.