BELGRADE (Reuters) - Serbian President Aleksandar Vucic pledged on Sunday his country would help investigate after an explosion in Kosovo that disrupted water supplies and that the government there blamed on Belgrade.

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.

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

Serbian President Aleksandar Vucic on Sunday denied that Belgrade had masterminded a strike on Kosovar infrastructure, saying Kosovo itself had mounted a "hybrid attack" against his country.