The US has offered bribes to Iraqi MPs to lure them into endorsing a security deal that critics believe would make Iraq a US colony.

Sources in Iraq's parliament told Press TV on Thursday that Washington has offered three-million dollars in bribe to the lawmakers who sign the "framework accord."

Under the agreement, the US would be allowed to set up at least 13 permanent military bases in Iraq and US citizens would be granted immunity from legal prosecution.

Iraqi lawmakers, however, vowed that they would never sign the agreement which would turn their country into 'a US colony'.

The accord has faced strong objections from religious and political figures inside and outside Iraq.

Iraqi Shia cleric Moqtada al-Sadr has also protested the deal, calling on the people to hold demonstrations after every Friday prayers against the accord.

The country's most revered Shia cleric Grand Ayatollah Ali al-Sistani has formerly objected to the deal, saying he would not allow the government to sign such a deal with "the US occupiers" as long as he was alive.