A pro-Hamas lobbying group paid for Jeremy Corbyn to attend a conference with a convicted terrorist, The Sun can reveal.

The Labour leader registered the £1,200 trip to the conference in Qatar in 2012 - paid for the Council for European Palestinian Relations, an organisation that serves as Hamas’ representatives in Europe.

The group is banned by Israel due to its association with Hamas, while the terror group is a listed terror group by the EU.

At the three-day conference in Doha Mr Corbyn hosted a panel discussion attended by a string of senior officials from the anti-Israel terror group.

Among them was Husam Badran, who was handed a 17-year prison sentence in Israel for his involvement in a series of terror attacks in the early 2000s that killed more than 100 people.

It raises fresh questions over Mr Corbyn’s close links to Hamas after The Sun revealed how he boasted of meeting the terror group’s boss in 2010.

Meanwhile Mr Corbyn was reported to Parliament’s sleaze watchdog for the second time in a week after fresh claims he broke strict rules that require MPs to declare who paid for flights, hotels and hospitality.

He failed to register a trip to Israel and the West Bank in 2010, despite a fellow MP declaring the same visit as £927 - well above the then £660 threshold for declarations.

Ex-Tory minister Mark Francois has reported Mr Corbyn to the Parliamentary Standards Commissioner over his failure to declare a total of nine foreign trips.

Last night a Labour spokesman said: “Jeremy has a long and principled record of solidarity with the Palestinian people and engaging with actors in the conflict to support peace and justice in the Middle East. That is the right thing to do.”

Mr Corbyn’s controversial spin doctor Seumas Milne was also on the trip to Israel and the West Bank in 2010.

A Labour spokesman said: “CEPR was an independent organisation which worked with European politicians from across the political spectrum to build dialogue between Europe and Palestine.

“It arranged multiple trips for European parliamentarians to visit the Middle East, including meeting high level politicians from the region, UN agencies and visits to refugee camps.”