A ferry which crashed into a harbour in the Western Isles with 76 people on board sustained damage to its hull and propeller shaft, an inspection has revealed.

A mechanical failure caused the MV Hebrides to collide with pontoons and hit the seabed as it sailed into port at Lochmaddy harbour in North Uist on Sunday.

On Tuesday, CalMac said the vessel had sustained damage to its starboard propeller shaft caused by chains from the marina's pontoons becoming entangled.

The ferry operator said that diving inspections also revealed some minor damage to the hull.

The vessel will now head to Greenock dry dock for repairs, weather permitting.

The journey is expected to take until the end of the week.

CalMac's Operations Director Drew Collier said: "Our priority is to safely move Hebrides to Greenock for repairs at the earliest available weather window and to ensure that our passengers are well-informed about the contingencies we have put in place and able to plan with a degree of certainty.

"The weather, however, is a variable beyond our control and there may be further amendments.

"We have been consulting with hauliers to see whether the movement of non-urgent loads can be delayed, allowing us to increase other vehicle capacity and we appreciate their help in this.

"We understand the situation is frustrating and also that our plans will impact other areas of the network.

"Please be assured, though, that these plans are being pulled together with all factors being taken into consideration."

CalMac said the MV Lord of the Isles (LOTI) will be moved to Uig on Skye and make three journeys a day to Lochmaddy until Saturday.

Passengers who would normally travel from Tarbert to Uig are being urged to use the Stornoway to Ullapool route.

Details of the latest timetable changes are available on CalMac's website.