Norwegians have clubbed together to help re-erect a phallic rock formation after it was found vandalised.

The popular tourist attraction – called Trollpikken or Troll Cock – was discovered damaged two weeks ago.

A day later more than 500 people donated nearly 90,000 Norwegian kroner (8,400 euros) via a crowdfunding platform to help fund its repair.

Work has now begun on re-erecting the penis-shaped formation, which is situated on the coast around 450-kilometres south-west of Oslo.

Drilling marks were found in the rock and police are investigating the vandalism.