The Sunday gatherings, at the Saudi Embassy and United Nations buildings, come ahead of an expected speech by the leader of the Lebanese Shiite militant group Hezbollah.
The Times reported police arrived to the scene, dispersed protesters and put out fires. The two countries each back opposing sides in civil wars in Yemen and in Syria.
He was arrested in 2012, after a auto chase in Saudi Arabia’s Shiite-populated Eastern Province.
In an apparent swipe at Saudi Arabia’s Western allies, Khamenei criticised “the silence of the supposed backers of freedom, democracy and human rights” over the execution. The Saudi embassy in Baghdad reopened for the first time in almost 25 years on Friday.
U.N. Secretary-General Ban Ki-moon was “deeply dismayed” by the executions and called again for an end to the death penalty. “Repression does not last”.
Iranian protestors during a demonstration near the Saudi Arabian embassy in Tehran.
Ayatollah Ali Khamenei described Sheikh Nimr al-Nimr as a “martyr”.
“The execution of (imam) Nimr Baqr al-Nimr reinforces our current concerns about the growing tension…In the region”, he said.
The US State Department urged leaders throughout the region to redouble efforts to lower tensions.
The Saudi government says Nimr ordered his followers to attack the police, and was to blame for a series of shooting and petrol bomb attacks that killed several policemen during anti-government protests in Qatif in 2011-13. He was an outspoken critic of the Saudi government but denied advocating violence.
The convictions of those executed Saturday were issued by Saudi Arabia’s Specialized Criminal Court, established in 2008 to try terrorism cases.
They included Sunnis convicted of involvement in Al-Qaeda attacks that killed dozens of Saudis and foreigners in 2003 and 2004. He said Iran wouldn’t be allowed to undermine Saudi Arabia’s security. “Enough bloodshed”, Muhammad al-Nimr told Reuters.
“The GCC countries have rallied together behind Saudi Arabia and condemn such terrorist acts against its diplomatic missions in Iran, and also hold the Iranian authorities fully responsible for them”, Zayani said.
This is Saudi Arabia saying, ‘The gloves are off, ‘ ” said Bobby Ghosh, a CNN global affairs analyst and managing editor of Quartz.
Saudi Arabia and Iran are already bitter rivals. He also called the embassy attackers “extremists”. “Nimr resisted oppression with words”, the group added.
In a press conference Saturday, Saudi Interior Ministry spokesman Maj.
Outside the Middle East, some criticised the Saudi justice system and the mass execution, the largest in the kingdom in decades.
After the embassy attack, police donned riot gear and arrested 40 people.
After the executions, Islamic State urged its supporters to attack Saudi soldiers and police in revenge, in a message on Telegram, an encrypted messaging service used by the group’s backers, the SITE monitoring group reported.
In announcing the verdicts, Saudi state television showed mugshots of those executed.
Khamenei said the killing would not go unanswered.
“The House of Saud has opened the gates of h*** on its own regime”, said one cleric, Ahmed al-Shahmani.
Zeid Raad al-Hussein says the execution Saturday was “a very disturbing development indeed, particularly as some of those sentenced to death were accused of non-violent crimes”.
In the eastern city of Lahore, around 1,500 took to the streets, calling Nimr’s execution a gross human rights violation, while in the port city of Karachi about a thousand men, women and children shouted slogans against the royal Saudi family.