A tanker carrying liquefied natural gas (LNG) docked at Finland's Inkoo terminal on Sunday and has begun unloading, energy company Gasum said on Monday, the second cargo to arrive since the damage last month to a Finnish-Estonian pipeline.The Arctic Princess, carrying natural gas from the Arctic Hammerfest LNG plant, had been expected to arrive at Inkoo during the weekend, shipping data showed on Friday.The delivery amounted to about 400 gigawatt hours of energy, Gasum said."In addition to this delivery, Gasum has reserved three more slots at the Inkoo FSRU for the upcoming winter season.