Left-wing party head congratulated Isaac Herzog but warned him of a coalition with Netanyahu.
US Secret Service confirms envelope contained cyanide and is further investigating the incident.
With 99.5% ballots counted, Netanyahu's Likud Party wins 29 seats pushing Zionist Union to second place.
Bodies of 106 of the 162 people on board the flight have been recovered.
Benjamin Netanyahu has claimed victory in Tuesday's election in Israel as exit polls showed his Likud party tied neck and neck with the opposition.
Kensington parking slot goes for sale at twice the average price of a UK house.
Israeli Prime Minister Benjamin Netanyahu has declared victory after a tight national election.
Republican congressman Aaron Schock quits his post after questions about his expenditure, including decorating his office in the style of Downton Abbey.
The upcoming solar eclipse is expected to an unprecedented test for Europe's electricity system.
Cause of the helicopter crash near Gao unclear
The agency's director Joseph Clancy says the replica presidential palace would provide security agents a more realistic training ground.
Boko Haram has already pledged alliance to Isis, and our sources suggest Al-Shabaab may follow suit.
Foreigners have been used to train Nigerian army according to government.
Tairod Nathan Webster Pugh tried to enter Turkey in order to cross the border to Syria but was denied entry.
A huge swathe of the interior of Spain is slowly dying as people migrate to cities and the coast.
Iran-backed Shi'ite militias have been trying to take control of the city from Isis militants.
Groups is attempting to rally disaffected radicals, UN Security Council hears.
The three teenagers, who have not been named, were arrested in London after being deported from Turkey.
Mexico's ban on the use of animals in circuses will take effect in July.
BREAKING: Iran says 90% of nuclear technical issues solved with US.
Islamic State's Libya affiliate says Ahmed al-Rouissi was killed in fighting.
International Olympic Committee (IOC) members have toured venues for the Pyeongchang 2018 winter Olympics in South Korea.
The United States and European Union have said they will keep up sanctions if occupation continues.
Dr Qasem Exirifard dismissed as university decides his voice could lead to ridicule in the classroom
Kurds may have beaten Isis in Kobani - but Kurdophobia remains rife.
In Facebook posts, Leung Chai-yan accused mother of attacking her, but family says student is suffering health problems.
China wants to schedule ketamine, but this would condemn millions to surgery without anaesthetic.
IBTimes UK looks at the possible outcomes of the vote as Netanyahu and Herzog are head to head in the polls.
French lawmakers plan to jail those who employ super-skinny models. But unless other countries follow suit the plan is meaningless.
South Korea says Pyongyang hackers staged a cyberattack to stir up 'social unrest and agitation'.