Iran said it was looking at possible sabotage following recent blasts at several key Iranian sites, including the country’s main nuclear facility, a senior official said Friday, deepening the mystery around these incidents after other authorities initially sought to play down any suggestion of foul play. “Considering we are in a serious economic war with the United States and we have conflicts in various fields, the first hypothesis is that these accidents could be a threat and caused by the enemy’s moves,” Gen. Gholam Reza…