A private security guard stands outside the US embassy in New Delhi Dec 18, 2013. REUTERS/Anindito Mukherjee/File PhotoA private security guard stands outside the US embassy in New Delhi Dec 18, 2013. REUTERS/Anindito Mukherjee/File PhotoThe US embassy in New Delhi has revoked and subsequently denied visas for some Indian business executives and corporate leaders based on their involvement in trafficking fentanyl precursors, the embassy said in a statement on Thursday. Fentanyl precursors refer to the basic or parent chemicals that form fentanyl, a leading cause of US overdose deaths. The statement from the embassy did not name the people affected, but a spokesperson said they were Indian nationals.
