In the statement, Prince Hamzah said he had been informed he was being punished for taking in part in meetings in which the king had been criticised, even though he himself was not accused of being a direct critic.
In a video the BBC said it obtained from his lawyer, Prince Hamzah said a number of his friends had been arrested, his security removed and his internet and phone lines cut.
"I am not the person responsible for the breakdown in governance, the corruption and for the incompetence that has been prevalent in our governing structure for the last 15 to 20 years and has been getting worse ... and I am not responsible for the lack of faith people have in their institutions", he said.
Another video, where he spoke in Arabic, was broadcast by Al Jazeera. Sherif is a title given to those close to the royal family in Jordan.
Unfortunately this country has become stymied in corruption, in nepotism and in misrule, and the result has been the destruction or the loss of hope that is apparent in pretty much every Jordanian. "King Abdullah is a key partner of the United States, and he has our full support", US State Department spokesman Ned Price said in an email.
Saad al-Hariri, the Lebanese prime minister-designate, said: "All the solidarity with the Jordanian leadership and King Abdullah in defending the gains of the Jordanian people, protecting their stability, and refusing interference in their affairs".
Huneiti affirmed that "no one is above the law and that Jordan's security and stability take precedence over any consideration".
US Capitol under lockdown after security threat
But CBS News reported that security officials had already warned congressional staffers of a threat before the vehicle ramming. Video posted online showed a dark-coloured sedan crashed against a vehicle barrier and a police K9 inspecting the vehicle.
These investigations have led to the arrest of several high-profile figures, he added.
Majali's niece, Basma, wrote on Twitter that their family house was raided and Majali was taken to an unknown destination.
Saturday's security sweep comes as Jordan prepares to mark 100 years since the new kingdom then named Transjordan was established alongside Palestine under British mandate.
Awadallah, who was a driving force behind economic reforms before he resigned as chief of the royal court in 2008, has long faced stiff resistance from an old guard and an entrenched bureaucracy that flourished for years on government perks. He has cultivated strong ties with several US administrations, but, in recent years, sparred with former president Donald Trump and Israeli Prime Minister Benjamin Netanyahu over proposed Israeli plans to annex the West Bank and bypass the Palestinians in a bid for Israeli normalization with the rest Arab world.
I have spoken with people and tried to remain connected to people in the hope that they realise that there are members of this family who still love this country, who care for them and who will put them above all else, and so that I was able to remain aware and in touch with them and aware of their plight and their needs.
Many countries and groups have reacted saying King Abdullah has their full support.
The state-run Saudi Press Agency said the kingdom's royal court supported King Abdullah's efforts "to maintain security and stability and defuse every attempt to influence them".
Bahrain, Kuwait, Egypt and the Gulf Cooperation Council have issued similar statements.