"The plot hatched by (the United Arab) Emirates and Saudi Arabia to let Ali Abdullah Saleh stab (Yemeni) fighters and people in the back failed and he (Saleh) suffered the consequences of his actions", Velayati said Tuesday, answering a question about the recent developments in Yemen.
There are expectations in Yemen that Maj Gen Saleh will now return to Yemen to lead a battle against the Houthis to take revenge for the killing of his father.
Yemen's minister of information called upon the Houthi armed group to release the journalists and urged worldwide organisations to "leave the status of passive onlookers and take acts to press the militias to stop tormenting all the Yemeni journalists", Muammar Al- Eryani told Saba Net.
A Saudi-led coalition has been fighting to defeat the Iran-backed Houthis - at one point allied with ex-President Ali Abdullah Saleh's forces in Yemen - since March 2015.
Fierce clashes broke out in Sanaa last week between Saleh supporters and the Iran-backed Houthis as a fragile alliance between the two sides broke down.
There was no independent confirmation, but pictures circulated on social media appeared to show Mr Saleh's body.
"Let's join hands to end the control of these... criminal gangs and... open a new chapter to rid our beloved Yemen of this nightmare", Hadi, leader of the internationally recognised government, said in a televised address late Monday from Saudi Arabia, where he lives in exile.
Houthi officials said their fighters killed Saleh as he tried to flee the capital for his nearby hometown of Sanhan.
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Saleh ruled Yemen for more than three decades until an Arab Spring uprising forced him to step down in 2012.
At least 13 other journalists and media workers are now held hostage in Yemen by armed groups, including the Houthis and al-Qaeda. The Houthis' top leader, Abdul-Malek al-Houthi, said Saleh paid the price for his "treason", accusing him of betraying their alliance to side with the Saudi-led coalition.
Saleh's oldest son meanwhile pledged in a declaration sent to Reuters to fight the Houthis and liberate all territory held by the rebels.
The Houthis and Saleh's forces began fighting each other in Sanaa last week.
It risks the conflict becoming even more intractable.
The bloody conflict has left impoverished Yemen as the world's leading humanitarian disasters with millions of people facing starvation.
The International Committee of the Red Cross says that as many as 234 people have been killed in Yemen's capital, Sanaa, in street fighting this month between the country's Shiite rebels and the supporters of the slain former president, Ali Abdullah Saleh.
"They obviously care about US support", Corker said.