Seoul - North Korean dictator Kim Jong Il has, according to South Korean media reports, named the youngest of his three sons as his successor.

Kim issued an order on January 8 to the leadership of the communist Workers' Party that Kim Jong Un should take his place, South Korean news agency Yonhap reported on Thursday, citing intelligence reports.

The decision to name Jong Un, believed to be around 25 years old, came earlier than expected amid reports of the worsening of Kim's health.

Warsaw - An Israeli attacked Gaza demonstrators who interrupted a ceremony that honored Poles who rescued Jews during World War II, Polish Radio reported on Thursday.

Members of the Anarchist Federation entered a lecture theatre Wednesday in Poznan and unfurled a banner saying, "Enough of the slaughter in Gaza" during a speech by Israel's ambassador.

A scuffle broke out when an Israeli citizen attacked the protesters, Polish Radio said.

The Israeli was taken to a hospital and three Poles were detained.

Sana'a, Yemen - A Yemeni official source said on Thursday that his country has retracted its support for an emergency summit by Arab leaders in Doha to discuss the Israeli offensive in Gaza.

"Yemen retracted the support it has announced for the Doha summit," the source, who requested anonymity, told Deutsche Presse- Agentur dpa.

He said the move was aimed at "avoiding a split among Arab countries that might be caused by the conflicting plans for summits to discuss the situation in Gaza."

The source said Yemen "urges Arab leaders to give Gaza a top priority in the Kuwait economic summit."

Hamburg - Toyota unveiled its 2009 Formula One car on Thursday - not in a typical race track rollout in front of the world media but via the internet in these hard economic times.

"Our target this year is to fight to win the first race for Toyota in Formula One," team boss Tadashi Yamashina said.

The team is upbeat that it will be competitive despite several rule changes imposed by the ruling body FIA. Some are visible on the car through a wider front wing and a slimmer and higher rear wing.

Lisbon - Controversy raged in Portugal on Thursday over statements by a leading Catholic clergyman who warned against marriages between Christians and Muslims.

Bishops sided with Lisbon patriarch Jose Policarpo, while human rights activists and people living in mixed marriages slammed him for intolerance.

Cardinal Policarpo advised young Portuguese Catholic women to "be careful" and to "think twice" before marrying Muslims.

Hanoi - Vietnamese officials vowed Thursday to stop dairy farmers from pouring away their unwanted milk, even though consumers frightened by the Chinese melamine scare have stopped buying it.

Vietnamese press this week have reported numerous incidents of dairy farmers pouring excess milk into rivers or onto roadways. Vietnamese milk consumption has dropped sharply since the discovery this fall that world milk supplies had been contaminated by Chinese milk powder tainted with the industrial chemical melamine.