Mangalore: A person working for the Span Aquatic Marine Products Plant has been hospitalized after he accidentally fell into the underground tank of the fish meal unit at Kotepura in Ullal on the night of August 13, Monday.

It is said the labourer who had been to clean the tank, fell inside it due to the foul smell and lack of oxygen. Four others who entered the tank to save him have also been hospitalized due to sickness.

All the labourers are said to be recovering.