Postpublished at 16:29 Greenwich Mean Time 3 March 2015
Kelly O'Donnell
NBC News
tweet, external: Huge standing ovation as Netanyahu insists Iran cannot be permitted to gain nuke weapon
Mr Netanyahu addressed the US Congress about the threat posed by Iran's nuclear programme
The Israeli leader said: "Iran has proven time and again that it cannot be trusted"
Congressmen and women rose to their feet several times to give him warm ovations
The invitation, made by House Speaker John Boehner, is seen as a rebuke to Mr Obama's threat to veto new sanctions on Iran
The US, Britain, France, Germany, Russia and China are currently working on an interim agreement with Iran for the end of March
All times in GMT
Tim Swift, Taylor Kate Brown and Alison Daye
Kelly O'Donnell
NBC News
tweet, external: Huge standing ovation as Netanyahu insists Iran cannot be permitted to gain nuke weapon
Richard Hall, Middle East & Africa Editor for @GlobalPost
tweets: , externalAt the end of every sentence in Netanyahu's speech, in lieu of a full stop, are the words "pause for applause."
"Iran's regime is as radical as ever," Mr Netanyahu says, adding Islamic state and Iran are competing for the "crown of militant Islam".
Thomas Erdbrink, Tehran bureau chief, New York Times
tweets:, external For those asking, no, Nethanyahu's speech before Congress is not broadcasted on state TV in Iran.
Ayatollah Khamenei speaks the "oldest" hate with the newest technology, Mr Netanyahu says, tweeting that Israel should be destroyed.
The Israeli Prime Minister says the US is threatened by Iran as well - citing events from the US embassy hostage situation to an attempted assassination in Washington.
Benjamin Netanyahu
Israeli prime minster
tweet, external: "This Capitol dome, helped build our Iron Dome. Thank you, America." #NetanyahuSpeech
Jeremy Bowen
BBC Middle East editor
tweet, external: #NetanyahuSpeech Netanyahu believes himself to be Churchill's heir, warning against threats as he did in 1930s about Nazis.
Nobel Peace prize winner Elie Wiesel (centre) is a guest of House Speaker John Boehner.
Tom Rayner, Middle East reporter for Sky News
tweets, external: Israeli channels talking over top of Netanyahu speech - will have 5 minute delay so editors can cut 'electioneering' pic.twitter.com/SVD9Dks5vD, external
Mr Netanyahu says Iran's quest for nuclear weapons is a threat to Israel's survival.
Mr Netanyahu's entry to to the floor was warmly received.
David Usborne, US Editor at The Independent
tweets:, external Don't look for embarrassing empty seats at #Netanyahu address. Congressional aides encouraged to sit where Dems decline to.
"We appreciate all that Mr Obama has done for Israel," Mr Netanyahu says, suggesting there is more than what is widely known.
Paul Adams, BBC World Affairs Correspondent
tweets:, external Netanyahu enters Congress, flanked by Republicans who invited him. Cue the first standing ovation. A handful of empty seats.
He says he "deeply regrets" the speech is seen as political - "that was never intentional".
Mr Netanyahu said he is "deeply humbled" to speak before "the most important legislative body in the world".
Mr Netanyahu begins by thanking Congress.
Jeremy Bowen
BBC Middle East editor
tweets, external: "Netanyahu to get a bust of Winston Churchill as he equals Churchill's record of 3 speeches to joint session of Congress"