India, April 8 -- Even as the United States and Iran arrived at a ceasefire agreement early Wednesday, uncertainty looms over its implementation following Israeli attacks on Lebanon and Tehran's refusal to allow ships due to the attacks in Beirut.

Iran's semi-official Fars News Agency said oil tankers passing through the Strait of Hormuz were stopped after the Israeli strikes on Lebanon.

The development comes even as Israel conducted a series of surprise attacks on Lebanon capital, killing at least 89 people. While Pakistan stated that Lebanon was part of the truce agreement, Israel has maintained that it has not agreed to pause Lebanon strikes despite the ceasefire.

The Beirut strikes threaten to derail the peace process even before 2...