Police are searching the home of a Norwegian neo-Nazi for weapons and explosives, a source told Reuters.
Kristian Vikernes was arrested in France, where he now lives, after his wife bought four rifles.
"That was at the origin of the investigation ... There were several suspicions that made the services fear he could possibly carry out a violent act," a police official confirmed.
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Heavy rain continues across many northwestern parts of the UK this weekend with Western Scotland most affected.
Heavy rain and wind for Scotland and northern parts this weekend with an amber weather warning issued and travel disruption expected.