Israel warned its citizens Monday to be on alert for possible attacks in Europe by Islamic militants who have fought in Iraq and Syria.

The alert comes as Israelis prepare to head overseas for a traditional holiday period starting with the Jewish New Year on September 24.

Frenchman Mehdi Nemmouche, suspected of killing four people at Brussels' Jewish Museum in May, was remanded in custody for another three months on Friday, judicial officials said.

Nemmouche, 29, of Algerian origin and who spent more than a year fighting with Islamic extremists in Syria, has been charged with "murder in a terrorist context" after an Israeli couple, a French woman and a Belgian were shot dead at the museum in central Brussels.

Dutch prosecutors said Friday they need to know where a missile that may have shot down flight MH17 was fired from in eastern Ukraine before criminal charges could be laid.

Belgium was wrong to extradite a former Tunisian professional footballer turned convicted al-Qaida fighter to the United States and must pay him compensation, Europe's top rights court ruled Thursday.

Nizar Trabelsi, who was arrested just two days after the September 11 attacks in 2001, was sentenced to 10 years in jail in 2003 for plotting a suicide truck bombing against a Belgian air base where American troops are stationed.

Belgium finally named its next European Commissioner on Thursday, giving Jean Claude Juncker one of the last members in the new team that will run the 28-nation bloc for five years.

The choice of Marianne Thyssen, a European parliamentarian from the Flemish Christian democrats, also raised hopes of an end to a three-month wait for a national government at home in Belgium.

A French Islamist suspected of heading a militant network told a Belgium court Tuesday that he took part in a deadly ambush against African peacekeeping troops in Somalia.

The retrial of Frenchman Rachid Benomari opened at a time of mounting concern over the number of Europeans believed to be traveling to Syria, Africa and the Afghan-Pakistani border to fight alongside jihadist groups.

Etienne Tshisekedi, an 81-year-old prominent opposition politician in the Democratic Republic of Congo, left Kinshasa for Brussels early Saturday on a specially-arranged medical flight, an Agence France Presse journalist witnessed.

A Frenchman suspected in the shooting deaths of four people at the Jewish Museum in Brussels was remanded in custody for a month Monday on charges of "murder in a terrorist context."

Mehdi Nemmouche, 29, who spent more than a year fighting with Islamic extremists in Syria, was extradited from France to Belgium last week for questioning over the May 24 shooting.

A Frenchman suspected of carrying out a fatal shooting at the Jewish Museum in Brussels was charged Wednesday with "murder in a terrorist context", the Belgian prosecutor's office said.

Mehdi Nemmouche, 29, who spent more than a year fighting with Islamist extremists in Syria, was extradited from France to Belgium the previous day to be questioned over the May 24 shooting which left four people dead.

France handed over to Belgium on Tuesday the man suspected of carrying out a deadly shooting in May at the Jewish Museum in Brussels.

A spokeswoman for the Belgian police told Agence France-Presse that Mehdi Nemmouche, a 29-year-old Frenchman of Algerian descent, had been brought from Paris to Brussels.