<a href="https://en.wikipedia.org/wiki/Liquefied_natural_gas" id="mwaA" rel="mw:WikiLink" title="Liquefied natural gas">Liquefied natural gas</a> leaks from storage tanks in Cleveland and then <a href="https://en.wikipedia.org/wiki/Cleveland_East_Ohio_Gas_explosion" id="mwaQ" rel="mw:WikiLink" title="Cleveland East Ohio Gas explosion">explodes</a>, leveling 30 blocks and killing 130 people.