Saudi Arabia's execution of Shia cleric Nimr-al-Nimr, alongside 46 others, mostly al Qaeda members, has sparked a crisis with Iran.

Shia Muslims in Dhaka today protested the execution of a prominent Shia cleric carried out by the Sunni Muslim majority Saudi Arabia on January 2.

Saudi Arabia's Deputy Crown Prince Mohammed bin Salman has said a war between his country and Iran would be the beginning of a catastrophe and Riyadh would not allow it.

Iran and Saudi Arabia take further steps to sever commercial ties today, intensifying a feud between the regional rivals, as Tehran announced a ban on imports from Saudi Arabia and Saudi groups called for boycotts of Iranian products.

Saudi warplanes "deliberately" strike Iran's embassy in Yemen in an air raid that wounds staff, Tehran says as tensions between the two regional powers mount.

Bangladesh has condemned the recent attacks on the Saudi embassy in Tehran and its consulate in Mashhad.

Turkey's government urges Saudi Arabia and Iran to calm their diplomatic row, saying the dispute will only worsen regional tensions.

Saudi Arabia used an attack on its embassy in Tehran as a pretext to fuel tensions, Iran's foreign ministry says in response to Riyadh's severing of relations.

Bahrain and Sudan both severe relations with Iran, and the UAE has downgraded its diplomatic team. after the Saudi embassy in Tehran is attacked amid a row over the execution of a Shia Muslim cleric.

Saudi Arabia cuts ties with Iran, responding to the storming of its embassy in Tehran in an escalating row between the rival Middle East powers over Riyadh's execution of a Shia Muslim cleric.

Saudi Arabia will face "divine revenge" over its execution of a top Shiite cleric, Iran's supreme leader Ayatollah Ali Khamenei says after protesters attacked the kingdom's embassy in Tehran.

Senior Iraqi intelligence officials warned coalition countries of imminent assaults by the Islamic State group just one day before last week's deadly attacks in Paris killed 129 people, according to reports.

Several countries have used a United Nations forum to criticise Australia's asylum seeker policies.

Iranian Foreign Minister Mohammad Javad Zarif will attend multilateral talks on finding a political solution to the conflict in Syria in Vienna this week, a government spokeswoman has said.

The United States announces that Iran may take part in talks to end the civil war in Syria and warned of increased military action against the Islamic State.

At least one person was killed and about 87 others were injured in homemade bomb explosions in front of Hossaini Dalan in old Dhaka early hours today.

China's leader Xi Jinping is expected to put the seal later on its contribution to what will be the first UK nuclear power plant to be built in a generation.

The crush and stampede that struck the hajj last month in Saudi Arabia killed at least 2,177 pilgrims, a new Associated Press tally showed on Monday.

The United States and Europe begin preparing to lift the trade sanctions that have hobbled the Iranian economy as a historic nuclear deal came into effect.

Iran's parliament approves a historic nuclear deal with world powers on Tuesday, effectively ending debate among lawmakers over the agreement and paving the way for its formal implementation.