(This story has been refiled to remove the images, with no changes to text)By Nilo Tabrizy, Catherine Cartier and Jonathan SaulAug 14 (Reuters) - Two slicks have appeared in Iranian waters, satellite imagery and video verified by Reuters show, as tit-for-tat attacks on oil tankers and other vessels by Iran and the United States spark concerns about environmental damage to the Gulf.

By Jonathan Saul and Catherine CartierLONDON, Aug 12 (Reuters) - A vast oil spill in the Gulf is quickly becoming one of the world’s worst in years after being allowed to spread…

By Jonathan Saul and Catherine CartierLONDON, Aug 12 (Reuters) - A vast oil spill from a leaking tanker has started to hit Oman's coastline, its environment agency confirmed on…

Concerns of lasting damage come as oil slicks edge towards Arabian Gulf shores