A man died in Larnaca, Cyprus. He was 78 years old. He died because of poison. Four other people are in the hospital. They have bad sickness. His wife and sister are sick too.
Police found a chemical. It is called GBL. They found it in a water cooler. This was at the man's house. It happened on Saturday. People are worried now.
The old man was not moving on Saturday. Doctors tried to help him. He died at the hospital. His wife was already sick.
On Sunday, three more people got sick. They drank from the house. Tests found GBL in the water. The water cooler was the problem.
GBL is a chemical. It can be very bad. It is dangerous for people.
The sick people are getting help. They are stable. One person is breathing better. This is good.
Doctors checked the dead man. They want to know why he died. Police are looking for answers. They are checking the house.
Police are talking to the family. They want to know about the chemical. They are thinking about everything. More news will come soon.