A blast on a canal vital to Kosovo's water and power supplies has sparked a war of words with Serbia, with fears it could further escalate tensions between the two Balkan nations.The explosion late Friday punched a hole in a canal providing water to hundreds of thousands of people and the cooling systems at two coal-fired power plants that generate most of Kosovo's electricity.

Kosovo and Serbia continued to sling allegations at each other on Sunday, just days after an explosion targeting a strategic canal in Kosovo sent tensions soaring between the long-time rivals. "What happened in the village of Varage gave Kurti an alibi to continue the attacks in the north of

Kosovo's Interior minister Xhelal Svecla said on Saturday that police had arrested eight people after an explosion hit a canal that sends water to its two main power plants, an incident Pristina labelled a "terrorist act" by neighbouring Serbia.