Terrorism

Social media firms are under pressure to block extremist activity on their sites. Facebook is hiring thousands more people to review content, but artificial intelligence also plays a role.

In two separate operations, U.K. authorities arrested a man who was carrying knives near Parliament and carried out a raid that included tear gas and gunfire elsewhere in London.

Khalid Masood, 52, was born in Kent. The suspect was once investigated "in relation to concerns about violent extremism," British Prime Minister Theresa May said Thursday.

Under the ISIS model in Syria, "It's become a sort of family jihad," says a French journalist. "Couples go together, sharing a common project. And the role women play is as strong as that of men."

A Syrian refugee accused of planning a bomb attack was the subject of a nationwide manhunt in Germany over the weekend. Authorities say he was recognized by fellow refugees, who called police.

Explosions struck at least five resort areas in Thailand, killing at least four people and injuring dozens. The country's military junta relies on revenues from the vital tourism industry.

The measures would allow Germany to fast-track deportations for foreigners deemed dangerous and would strip German citizenship from dual-citizens who fight for extremist groups abroad.

La Braderie de Lille was first recorded in the 12th century. The annual two-day fair, with mussels, music, drinking and all-night haggling, was reportedly last canceled for World War II.

In Istanbul's Grand Bazaar, a merchant calls it the worst tourist season in nearly four decades. Terrorism fears and a travel ban by Russia, an important source of tourists, are keeping visitors away.

The measure has sharply divided France since it was proposed three days after the November attacks in Paris.