Is magnet fishing the UK's most dangerous hobby?, Fishing

Trawling rivers and canals with a high-powered magnet can drag up a host of objects, from bikes and trolleys to guns and swords

The hidden dangers of magnet fishing

Fisherman pulls Uzi submachine gun out of London lock

The hidden dangers of magnet fishing

Bondi Treasure Hunter

Is Magnet Fishing Legal or Illegal? (USA, UK)

Magnet Fishing, a Pandemic Craze, Is Now Creating Trash Problems - WSJ

Worcester friends find 15 trollies and between five and 10 bicycles whilst magnet fishing in canal near Shrub Hill Retail Park, Tallow Hill

Magnetic type of 'fishing' is growing more popular in WA waters

Magnet fishing - Wikipedia