What makes fertiliser chemicals so explosive

The effects of the blast at a fertiliser plant in West, Texas, were felt 45 miles away.

The US Geological Survey said its shockwave was equivalent to an earthquake measuring 2.1 on the Richter scale.

ITV News science editor Lawrence McGinty explains why the chemicals in fertiliser can be so explosive:

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Fertiliser plant owner sued

The owner of a fertiliser plant that exploded last week killing 14 people and destroying dozens of homes and an apartment complex in a tiny Texas town is being sued by a single mom and by several insurance companies.