One became stuck in a tank trap and another was knocked out by a magnetic mine.
From the en.wikipedia.org
It was not a magnet, so a magnetic mine could not tell you were passing over it, so it would not blow up.
From the omaha.com
On the second of these runs 8th October 1945 we went over a Japanese magnetic mine laid in the Saigon River.
From the telegraph.co.uk
The speed can even be zero in the case where a soldier simply places a magnetic mine onto a tank's armor plate.
From the en.wikipedia.org
Sunk by magnetic parachute mine on 24 November 1940 in Milford Haven, Pembrokeshire.
From the en.wikipedia.org
The tower containing the magnetic ore separators at Ogden mine.
From the en.wikipedia.org
The computerisedfuze on a Stonefish mine contains acoustic, magnetic and water pressure displacement target detection sensors.
From the en.wikipedia.org
Under his guidance, the Naval Ordnance Laboratory developed the Mark 52 naval mine, an air-delivered weapon with acoustic, magnetic and pressure sensors.
From the en.wikipedia.org
An updated form of mine breaking is the use of small unmanned ROVs that simulate the acoustic and magnetic signatures of larger ships and are built to survive exploding mines.