Turkey's main opposition leader pledged on Sunday to introduce a "first-class democracy" and eradicate poverty as he announced a election manifesto ahead of the June legislative poll.

"You have my word. We will bring first-class democracy to this country," Kemal Kilicdaroglu of the secular Republican People's Party (CHP) told party supporters in Ankara.

Security will be boosted at Anzac Day commemorations in Australia's state of Victoria, as its premier on Sunday urged people to turn up despite arrests linked to an alleged Islamic State-inspired attack plan.

Police arrested five men in counter-terrorism raids in the state's capital Melbourne on Saturday and charged one of them -- 18-year-old Sevdet Besim -- with conspiring to commit a terrorist act on Anzac Day on April 25 when ceremonies are held across the nation to remember fallen Australian and New Zealand Army Corps troops.

Armenians prepare to commemorate a hundred years since 1.5 million of their kin were massacred by Ottoman forces, as a fierce dispute still rages with Turkey over Ankara's refusal to recognize the mass murder as genocide.

Hundreds of thousands are expected to flock to the towering genocide memorial in Armenia's capital Yerevan on Friday for an emotional ceremony to mark the centenary of the start of a tragedy that still stirs deep divisions.

Unidentified assailants on Saturday opened fire at Turkey's main Kurdish party headquarters in the capital Ankara, with no casualties reported, an official from the party said.

"The attackers fired with pump rifles at the party headquarters at 04:05 am from a passing car," an official from the pro-Kurdish People's Democratic Party (HDP) told Agence France Presse on condition of anonymity.

Edward Papikian, a high school student at the Rose and Alex Pilibos Armenian School in Los Angeles, says he thinks every day about his forefathers who were slain by Ottoman forces in 1915.

He says he and his classmates -- who are preparing for the 100th anniversary of what Armenians say was a systematic campaign of ethnic slaughter -- had been taught about it since childhood, "so that another genocide doesn't happen."

A Turkish man was sentenced Friday to almost twelve years in jail for attempting to assassinate President Recep Tayyip Erdogan when he was still prime minister, state media said.

An Istanbul court convicted Ferhat Yildiz of "attempting to kill a public servant" and sentenced him to 11 years and eight months in prison, the official Anatolia news agency reported.

A Turkish Airlines passenger plane flying from Istanbul to Basel turned back over Bulgarian air space Friday after a bomb alert that later turned out to be false, the airline said.

The airline said the plane returned to Istanbul airport as a precautionary measure after the alert and underwent an investigation after all the passengers were taken off.

Turkish Prime Minister Ahmet Davutoglu on Friday angrily condemned the European Parliament for adopting a resolution urging Turkey to recognize the mass killings of Armenians in the Ottoman Empire as genocide, saying it was a sign of growing "racism" in Europe.

Speaking to reporters in Ankara, Davutoglu said such statement ignored the suffering of Muslim Turks in World War I and risked inciting hatred towards other non-Christian religious groups.

Yasmin Rostomyan makes no big outward show of her origins but works daily to keep her Armenian heritage alive and preserve it for the future in modern Turkey.

"Turkey is my country, I do not want to leave," she says. "And I don't want my children to be obliged to leave. If they can stay here, that would make me happy."

Syrian President Bashar Assad accused neighboring Turkey of torpedoing a U.N. plan for a ceasefire with rebels in the second city of Aleppo, in comments published on Friday.

Assad told the Swedish newspaper Expressen that Ankara had used its influence with rebel factions to persuade them to reject the proposals put forward by U.N. envoy Staffan de Mistura for a ceasefire in the former commercial hub.