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 worked to shore up water and power supplies on Saturday and stepped up security at strategic sites after an explosion hit a canal that sends water to its two main power plants, an incident Pristina labeled a “terrorist act” by neighboring Serbia.

Kosovo’s prime minister said an explosion late Friday night at a key water canal was a “terrorist act” and accused groups aligned with Serbia of having been behind it.

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

Serbian President Aleksandar Vucic on Sunday denied his country had staged an attack on a strategic canal in neighbouring Kosovo that has reignited tensions between the two.

PRISTINA, Kosovo (AP) — A powerful explosion damaged a water canal and temporarily cut water and power supply to Kosovo’s cities, the prime minister said Saturday, blaming groups supported by Serbia.

Kosovo worked to shore up water and power supplies on Saturday and stepped up security at strategic sites 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.