(Reuters) - Responders from the Matagorda Incident Command Post in Port O'Connor, Texas, extended their cleanup efforts to mitigate the environmental effects of a crude oil spill that occurred in the Houston Ship Channel last weekend, the Texas City "Y" Response Unified Command said in an update on Friday.
Members of the public are discouraged from accessing south Matagorda Island until the command announces that response operations are complete, the agency said.
The channel was shut on Saturday when a Kirby Inland Marine fuel oil barge collided with a cargo ship near the entrance to Galveston Bay, spilling 4,000 barrels, or 168,000 gallons (636,000 liters), of heavy, black fuel oil.
All restrictions on marine traffic through the channel, a critical waterway for U.S. oil shipments, were lifted on Thursday, five days after the spill, the U.S. Coast Guard said.
(Reporting by Shruti Chaturvedi in Bangalore)