(Associated Press) - A Belgian official says a Franco-Belgian team has been set up to investigate the Brussels links to the Paris attacks.

The official, who spoke to The Associated Press in Brussels by phone, said French investigators have already arrived in the Belgian capital for a joint effort to find the people behind the killings in Paris.

The official said seven people were detained in Belgium on Sunday in connection with the Paris attacks. Three other people were arrested there Saturday.

He says two of the seven suicide attackers who died in Paris on Friday night were French men living in Brussels. One of the French attackers was living in Brussels' Molenbeek neighborhood, which is considered a focal point for religious extremism and fighters going to Syria.

The official spoke on condition of anonymity due to the ongoing investigation.

Meanwhile, a French police official says three Kalashnikovs have been found inside a car that was used in the attacks on central Paris. Two cars are known to be involved in the attacks that left 129 people dead and over 350 wounded: a Volkswagen Polo parked at the Bataclan concert hall and a Seat where the arms were found Sunday.

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