Tanker Sola and Norwegian navy frigate Helga Ingstad collide off Norway

Looks like Sola TS has lost an anchor in the collision:

PS> The scratch marks on the bow just above the bulbous appears to be old and have nothing to do with the accident.

A lot has been made of the press release mentioning that the KNM Helge Ingstad was conducting “navigation training” when this happened.
Apparently she had used the inside passage while transmitting from the exercise area in North and Mid-Norway to her base near Bergen, which is common for Norwegian warships (and others).

Here is the Navy’s own explanation. (From VG.no):