US Warns Iran It Will Step Up Economic Pressure; Two More Ships Attacked in Hormuz

By Jonathan Saul, Phil Stewart and Idrees Ali

LONDON/PANAMA CITY, Aug 14 (Reuters) – Transit through the Strait of Hormuz appeared to grind to a near standstill on Friday after two more ships were attacked there and the United States said it could maintain a naval blockade of Iran indefinitely.

A senior Iranian source said on Wednesday that there had been no progress in talks to build on a June agreement to end the war. As a ceasefire renewed then broke down, Iran has resumed attacks on ships it accuses of trying to