A tanker has taken on water after hitting three yachts moored in the Piscataqua River in the US.

The accident involved the 19,900-dwt Chem Venus (built 2004), which was underway near Portsmouth, New Hampshire on Wednesday, the US Coast Guard (USCG) said.

The USCG added it was continuing to monitor the condition of the tanker, operated by Ace Tankers of the Netherlands.

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