In this episode of Faultlines, NDTV's Gaurie Dwivedi examines the rapidly widening conflict in the Middle East as tensions between the United States, Israel, and Iran escalate. After a U.S submarine sank an Iranian warship, Tehran has vowed revenge, raising fears that the conflict could spiral into a wider regional war with no clear end in sight. NDTV's Aditya Raj Kaul reports from Israel.