US intelligence officials are investigating whether Russia helped Iran carry out drone attacks against CIA facilities in the Persian Gulf by providing targeting assistance or advanced technology, according to sources familiar with the matter. Four sources who spoke on condition of anonymity said intelligence analysts have not reached a final conclusion on whether Moscow was directly involved.

IRAN-CRISIS/CIA-DRONES (EXCLUSIVE, PIX):EXCLUSIVE-Iran strikes on CIA facilities prompt questions about possible Russian role

By Jonathan Landay, Gram Slattery and Timour AzhariWASHINGTON/RIYADH, July 22 (Reuters) - Iranian drone attacks on CIA facilities in the Gulf have prompted U.S. intelligence…