Spanish MEP Pablo Zalba said he had been "deceived" by the Sunday Times undercover reporters and had not accepted their offer of cash.

fourth Euro MP caught up in a "cash-for-laws" scandal has denied wrongdoing as the European Parliament investigates corruption allegations.

Spanish MEP Pablo Zalba said he had been "deceived" by the Sunday Times undercover reporters and had not accepted their offer of cash.

But he said he did amend draft legislation at the request of the reporters posing as lobbyists.

Two other MEPs have resigned in the affair and a third has left his party.

Mr Zalba, of Spain's centre-right Popular Party (PP), said he was the victim of a "trap", in which the pretend lobbyists had requested two amendments to draft legislation on consumer protection.

He said he rejected the first amendment but agreed to put forward the second because he thought it would help protect small investors, Spain's El Pais news website reported.

According to the UK's Sunday Times newspaper, the undercover team made it clear to Mr Zalba that he would be paid for his services.