South Africa: France rushes to head off Isis-K threat to Paris OlympicsFrance on high alert, races to head off terrorism threat to Paris Olympics

Tajik journalist Temur Varki received a disquieting call from Paris police in late March, days after Islamic State militants from his homeland allegedly carried out a massacre in Moscow.

 The two officers questioned him about France’s tiny community of immigrants from Tajikistan, an impoverished former Soviet republic in Central Asia.

“Who do you know? How many? Where?” Varki recalled the officers asking, with one of them speaking Russian, a commonly used language across Central…