paris three died four people wounded let in two critically shooting vicinity kurdish cultural centre central paris french officials said paris prosecutor department said man aged arrested link alleged shooter motives immediately paris prosecutor laure beccuau suppose suspected attacker eff authorities added authorities would try potential racist element behind shooting patrol cordoned area arrondissement french capital paris police department warned the great unwashed stay away sphere gun attack carry place thank security forces gustavus franklin swift accomplish tweeted surrogate mayor emmanuel gregoire thoughts victims witnessed drama witness told daniel chester french news agency afp seven eight shots fired sewing mayhem street