Prince Hamza Bin Al-Hussein (right) and Prince Hashem Bin Al-Hussein attend parliament session in Amman. File/AP
Videos posted online showed a heavy police deployment in the Dabouq area near the royal palaces on the edge of Amman, while former crown prince Hamzah Bin Hussein said he was confined to his home.
In a video the BBC said it obtained from his lawyer, Prince Hamzah said several of his friends had been arrested, his security detail removed and his internet and phone lines cut.
The official newspaper Al-Rai on Sunday warned that Jordan's "security and stability" were a "red line that must not be crossed or even approached", and said an official statement on the events was expected later in the morning.
Official news agency Petra named former close aides to the royal family Bassem Awadallah, chief of the royal court in 2007-2008, and Sherif Hassan bin Zaid among an unspecified number of suspects arrested.The pair were detained for "security reasons", Petra said, quoting a security source.
The UAE has affirmed its full solidarity with the Hashemite Kingdom of Jordan, and expressed its full support for any measures taken by King of Jordan, King Abdullah II, and Jordanian Crown Prince Hussein Bin Abdullah to preserve the security and stability of Jordan...
Basem Ibrahim Awadallah, a long-time confidant of the king who later became minister of finance, and Sharif Hassan Bin Zaid, a member of the royal family were detained along with other unnamed figures, Petra said.
At the onset, Sheikh Mohamed conveyed the greetings of President His Highness Sheikh Khalifa Bin Zayed Al Nahyan to King Abdullah II and the emphasised the longstanding and historic relations between the UAE and Jordan.
Taliban political spokesman Suhail Shaheen said the negotiating teams of the government and the Islamic Emirate, as the Taliban refer to their ousted regime, met briefly Saturday in the Middle Eastern State of Qatar.
Deaths grew by 4,077, while infections rose by 311,170 - the smallest rise in daily cases in over three weeks, health ministry data showed on Sunday. Total infections have risen by over 2 million this week and deaths by nearly 28,000.
At least 139 Palestinians - including 39 children and 22 women - have been killed, mostly by Israeli airstrikes, according to Gaza’s health ministry.