Vikings

The provided news articles do not contain information directly related to the historical or modern concept of 'Vikings'. Article 1 discusses a violent incident involving rival motorcycle gangs in Wales, resulting in a fatality. Article 2 reports on the cancellation of a traditional seabird hunt in Scotland for the first time in 400 years. Neither of these events or topics has any discernible connection to Vikings, their history, culture, or modern interpretations. Therefore, no summary regarding 'Vikings' can be generated based on the given snippets.