Mitrovica has been shaken up following the arrest of a man caught throwing chemical substance in Iber River, near the water supply company. However, director of the Mitrovica water company Kadri Istrefi, said detailed tests of the water were carried out and all came clear. “The water of the Mitrovica regional water company has not been poisoned,” said Istrefi. Meanwhile, Kosovo Police said it has arrested a Serb man late last night under the suspicion of throwing a chemical substance in the river, about 2km from Zubin Potok. Sources said that the suspect is believed to have thrown the chemical substance of Pentane which, when mixed with cooking oil, is often sold for diesel fuel.