So far, Netanyahu has categorically denied all allegations, saying "there will be nothing, because there is nothing."

Israeli media has reported that General Attorney Avichai Mandelblit said his decision on the indictment is independent from the political timeline.

However, Mandelblit also said he would not publish the decision around the time of elections, with an apparent aim not to influence the democratic process.

"The timing for Netanyahu now is perfect," Galon told Xinhua.

Netanyahu, who also served a short term as Prime Minister in the 1990s, has been Israel's top leader for the past decade.

His current four-year tenure is the longest one in decades in a country known for plenty of political turbulence.

For Netanyahu, the upside of the surprise move to call snap elections is that it will be unlikely for several of his strong challengers, such as former Chief of Staff of the Israel Defense Forces Benny Gantz, to form a party in such a short period of time.

According to several polls, Gantz would be a close second behind Netanyahu and might take a bite from some of his voters.

But now being caught off guard, Gantz will be most likely forced to merge into an existing party.

A poll conducted by the Maariv newspaper hours after the announcement of the early elections showed that Netanyahu's Likud party will win 30 seats in parliament, the same number as it has now.

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