Jordanians follow the latest political developments in their country on a television set at a barber shop in the capital Amman, on April 4, 2021.
In 2004, however, King Abdullah II replaced Prince Hamzah and later designated his eldest son as the Crown Prince of Jordan.
Hamza signed a letter in which he placed himself at the monarch's disposal after a meeting on Monday with Prince Hassan, the King's uncle, and other princes, the royal court said.
Israel's Prime Minister, Benjamin Netanyahu, was aware of the security unrest in Jordan and the arrests campaign against senior officials including former Crown Prince Hamzah bin Hussein the minute they happened, Israel's Yedioth Ahronoth newspaper reported on Sunday.
On Saturday the military said it had issued a warning to the prince over actions targeting "security and stability" in the key US ally.
Prince Hamza Bin Al-Hussein, right, and Prince Hashem Bin Al-Hussein, brothers of Jordan's King Abdullah II, attend the opening of the parliament in Amman on November 28, 2006.
In a video passed by his lawyer to the BBC, Hamzah has said that he has been placed under house arrest as part of a crackdown on critics, and has denied being a part of any conspiracy against the government or King Abdullah.
Faced with rival narratives, the United States and Arab governments quickly sided with Jordan's King Abdullah II, reflecting the country's strategic importance in a turbulent region.More news: Amid wastewater overflow threat, Florida officials urge residents to heed evacuation orders
The deputy prime minister said authorities arrested between 14 to 16 people, as well as two main top officials.
"The investigations had monitored interferences and communications with foreign parties over the right timing to destabilise Jordan", Safadi said.
Safadi declined on Sunday to identify the foreign parties he said were involved, but declared that their "sinful plans" were aimed to "weaken Jordan's position regarding primary issues in the region".
Some opposition figures have rallied around Prince Hamza in a move that has displeased the king, officials familiar with the situation said.
"Praying that truth and justice will prevail for all the innocent victims of this wicked slander", she posted on Twitter to her one million followers.
Hamzah, 41, is the son of Hussein and Queen Noor, his American-born fourth wife. Hamzah, who issued a scathing public denunciation of the government Saturday after being told not to leave home, was replaced as crown prince in 2004 by King Abdullah, who installed his eldest son, Hussein. Jordan, a resource-poor desert kingdom slightly smaller than ME, retains outsize importance because of its reputation for stability.
"There is certainly resentment on his part, because he has never digested losing his title of crown prince".
Jordan's former Crown Prince Hamzah bin Hussein.More news: Florida wastewater pond's 'imminent' overflow leads to evacuations and emergency order
It "included at least one other Jordanian royal as well as tribal leaders and members of the country's security establishment".
Huneiti said the troops will confront anyone who "tries to endanger the nation's security, terrify its citizens and threatens the security and stability of the kingdom".
The United States swiftly announced its "full support" for Abdullah.
Morocco's foreign affairs ministry also expressed support for Jordan's stability.
The U.S. considers Jordan a major ally, granting it access to military equipment and assistance. "We need to do everything necessary to maintain that alliance".
Several suspects have been arrested in a security sweep in Jordan, as the army cautioned a half-brother of King Abdullah II against damaging the country's security.
Before becoming royal court chief in 2007, he was head of the king's cabinet in 2006.
"The security of Jordan is stable and steadfast with the awareness of our defiant people, the wisdom of the king and the dedication of our security services".More news: NIH Testing Moderna Vaccine Against S. African Variant
But Barah Mikail, an academic at Saint Louis University Madrid and director of consulting firm Stractegia, said the country "would come off well in the face of a plot hatched against it, particularly as the kingdom's anniversary approaches".