Prime Minister Kyriakos Mitsotakis's conservative New Democracy party may win Sunday's Greek elections, but it is unlikely to have enough majority for a complete victory, BBC writes, citing the first results of the vote..

The party gains 41%, according to the processing of 40% of the votes.

Former Prime Minister Alexis Tsipras' center-left Syriza is far behind, gaining 20%.

If neither party can form a coalition, then Greek voters will return to vote in a second round in early July..

The other big winner of the election appears to be Syriza's socialist rival Pasok, which now has 12.3% of the vote.. This makes the party a potential kingmaker in coalition talks in the coming days..

The centre-right Mitsotakis party has ruled Greece for the past four years and boasts that the country's economy grew by almost 6% last year.. His appeal to the people was that allegedly only he could be trusted to manage the Greek economy and strengthen the growth achieved.. Most Greeks seem to have reacted positively - even stronger than expected.

However, the electoral campaign was marred by a railroad tragedy in February that killed 57 people, many of them students..

Opposition parties said the disaster "

Four years ago, 40% of the vote would have been enough to win a majority in the 300-seat Greek Parliament. This now requires over 45% as the winning party is no longer eligible for the 50-seat bonus in the first round, making a second round more likely.

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If New Democracy's performance continues, it could theoretically form a coalition government with centre-left rivals from Pasok..

Pasok leader Nikos Androulakis may find it difficult to work in government with Mitsotakis due to last year's wiretapping scandal. Androulakis believes the prime minister knew he was one of dozens of people targeted with illegal spy equipment. The scandal led to the resignation of the nephew of Mitsotakis, who served as chief of staff to the prime minister, as well as the head of Greek intelligence.

Recall that in February, Greek Defense Minister Nikolaos Panagiotopoulos said that, unlike the transfer of armored vehicles and ammunition, Greece will not supply Ukraine with S-300 air defense systems, because this would weaken its own defense.