Delays in building Darwin's Palmerston Hospital are "ridiculous" and are caused by the incompetence of the Northern Territory government, says federal deputy Labor leader Tanya Plibersek.

Construction on the hospital was due this month but the government announced only last week it had awarded the tender for the water mains, with the first works on the hospital expected in October. “I think the Palmerston Hospital rollout has been an absolute debacle,” Ms Plibersek told reporters in…