German police raid apartments & offices of 4 people with suspected ties to alleged Vienna attacker

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Right-wing activists hold TORCH-LIT protest in Vienna, Austria after deadly terrorist attack (VIDEO)

The Vienna attacker had contacts with Islamists in Germany while attempting to join IS in Syria, Spiegel magazine reported this week.

In Austria, 15 people were detained after the shooting, and all of them were part of a radical Islamist group, according to authorities.

Also, the attack investigation led to arrests in Switzerland, where two men aged 18 and 24 were detained on Wednesday.

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