EU diplomats have said they are concerned Tehran's new negotiating team may make new demands beyond the scope of what had already been agreed.
Tension over an investigation into a massive blast last year in Beirut developed into the worst street violence in more than a decade.
Negotiations have been held, and a normalization announcement is expected soon.
DIPLOMATIC AFFAIRS: Will ties with the Gulf states continue to progress without movement on the Palestinian issue?
The two Shi'ite movements called on their supporters to calm down and on the army, security forces to restore the peace. Hezbollah and Amal called for the arrest and punishment of the perpetrators.
A weekly selection of opinions and analyses from the Arab media around the world.
JPost One-on-One Zoomcast, Episode 37 - Khaled Abu Toameh and Vice President of NGO Monitor Olga Deutsch.
What was once a “resistance” movement that was popular among a segment of the historically marginalized Shi’ite population has come to dominate Lebanon.
“This is why we make films, because we want our stories to travel, we want people to know about us,” Nayfeh, 33, told reporters.
It began with Jerusalem’s position moving closer to Washington’s – but now it’s the Biden administration making moves in Israel’s direction.
A UN report on Wednesdays said nine civilians had been killed in south Marib over September and October.
Dashing hopes for a stronger voice for women in the Gulf monarchy, voters elected an all-male line-up for the council which has included a small number of women in the past.
Shots were fired as Hezbollah and its allies protested against the judge in charge of the Beirut port blast investigation on Thursday.
Iran's UN ambassador warned Israel against threatening Iran.
Iran thinks that Washington has sought to influence the Iraqi elections, reminiscent of claims that Russia meddled in US elections in 2016
Israel is suspected of conducting the attack on targets in Syria's Homs region.
Algerian security forces foil planned armed attack by separatists, and imply that Israel and Morocco aided in the plan.
"No one in Iran can do something like that and be released on bail except when they are allowed by Khamenei to fire at will or Basij or somehow related to one of the Islamic Republic’s organs."
In order to understand why Hezbollah may be hesitant for an investigation into the Beirut port blast to progress, it's important to understand the background of the explosion itself.
Rob Malley, the US Special Envoy for Iran, said on Wednesday that the United States is ready to consider all options if Iran were not willing to return to the constraints of the 2015 nuclear deal.