<P> On 21 August 1986 , a limnic eruption at Lake Nyos in northwestern Cameroon killed 1,746 people and 3,500 livestock . </P>
<P> On 21 August 1986 , a limnic eruption at Lake Nyos in northwestern Cameroon killed 1,746 people and 3,500 livestock . </P>
how many animals died in the lake nyos tragedy
how many animals died in the lake nyos tragedy
3,500
3,500