India, Aug. 8 -- President Donald Trump's troubled Lincoln Memorial Reflecting Pool project has run into a fresh issue, with the National Park Service (NPS) partially refilling the iconic Washington landmark to flush its ageing piping system.

Signs posted around the Reflecting Pool said the partial refill was necessary to allow NPS staff and contractors to clean the pipes, reportedly for the first time in more than a decade. The update comes after months of work on the landmark and renewed scrutiny of the project.

"The Lincoln Memorial Reflecting Pool has been partially refilled to allow National Park Service staff and contractors to flush the pool's piping system for the first time in more than a decade," the notice said.

The NPS and ...