Police on Tuesday stepped up a Europe-wide hunt for the Paris attackers after video confirmed a ninth man may also have taken part in the worst attacks in French history.

Investigators are hunting the suspect for his part in the carnage that left 129 people dead, after footage showed a third man in a car used in one of the attacks on bars and cafes in central Paris.

A protest by desperate Cuban migrants stranded on their journey to the United States paralyzed a key border crossing between Costa Rica and Nicaragua Tuesday.

Long lines of buses and trucks formed on both sides of the Central American border as the migrants refused to let traffic pass, authorities from the two countries said.

Taiwan has threatened to revoke passports that have been altered after pro-independence activists used stickers to change them and successfully travelled abroad.

The sticker campaign has seen activists cover the "Republic of China" logo on their passports with stickers saying: "Republic of Taiwan".

The FBI on Tuesday arrested a man who allegedly made a threat against a Florida Islamic center because he was angry about the Paris attacks, authorities said.

Shortly after learning of the attacks in the French capital that left at least 129 people dead, Martin Alan Schnitzler left a message late Friday with the Islamic Society of Pinellas County, according to the criminal complaint against him.

Authorities have given the all-clear to two Paris-bound Air France flights from the United States that were diverted Tuesday after anonymous bomb threats, officials and media reported.

Flight 65 from Los Angeles and Flight 55 from Washington were "subject to anonymous threats received after their respective takeoff," the airline said in a statement.

U.S. President Barack Obama on Wednesday demanded China end artificial island building in the hotly contested South China Sea, upping the pressure on Beijing at a regional leaders' summit.

The annual Asia-Pacific Economic Co-operation (APEC) gathering is meant to forge unity on trade among 21 Pacific rim economies that group three billion people.

Bangladesh's highest court on Wednesday upheld the death sentences of two opposition leaders convicted for atrocities during the 1971 war of independence against Pakistan.

The Supreme Court's decision to dismiss the final appeals of Ali Ahsan Mohammad Mujahid and Salahuddin Quader Chowdhury clears the way for them to be hanged as early as next week if the president does not grant them clemency.

The fate of the suspected mastermind of the Paris attacks, Abdelhamid Abaaoud, was unknown Wednesday after a massive police raid in a suburb of the city that left at least two dead, including a female suicide bomber.

Intelligence led investigators to believe the Belgian suspect was in an apartment in Saint-Denis to the north of Paris, triggering a ferocious seven-hour shootout there with police that began before dawn.

German police released seven people they had arrested on Tuesday, saying there was no evidence linking them to the Paris attacks.

Police near the Belgian border had detained five men and two women through the day as they hunt for suspects related to last Friday's bloody jihadist attacks in France.

Turkish President Recep Tayyip Erdogan on Tuesday asked Prime Minister Ahmet Davutoglu to form a new government, two weeks after an election in which the ruling party regained the overall majority it had lost five months ago.

Erdogan formally tasked Justice and Development Party (AKP) chief Davutoglu with forming the government in talks at the presidential palace in Ankara, the presidency said in a short statement on its website.