At the Beeb:
Federal police in Brazil have arrested 10 members of a group alleged to be preparing acts of terrorism during the Olympic Games.
The authorities said they were not members of so-called Islamic State but had tried to make contact with the group.
The arrests were made in the southern state of Parana.
Weestern Paraná adjuncts the tri-border area, but The security operation spanned many different states in Brazil, the justice ministry said (emphasis added),
Brazil arrested 10 people on Thursday on suspicion of belonging to a group supporting Islamic State (IS) and preparing acts of terrorism during next month’s Olympics in Rio de Janeiro, Justice Minister Alexandre Moraes said.
The loosely organized group were all Brazilian citizens and in contact via internet messaging groups such as WhatsApp and Telegram, but did not know each other personally, the minister said.
The group did not have direct contact with IS though some of its members had made “pro forma” declarations of allegiance to the militant Islamist group, the minister said. He did not elaborate.
. . .
He said members of the group had visited a weapons site in neighboring Paraguay that sells AK-47 assault rifles, but there was no evidence they acquired any weapons. Two people will be brought in for questioning, in addition to the 10 already detained, he added.
Video at the HuffPo,