World News Update, what you need to know

More than a million people have flooded Paris in an unprecedented rally against terrorism, led by dozens of world leaders walking arm in arm as cries of "Freedom" and "Charlie" rang out.

ELSEWHERE:

BRUSSELS - Tens of thousands of people have rallied worldwide in solidarity with France, with marchers across Europe and the Middle East chanting "Je suis Charlie" and holding pens in the air.

PARIS - Increased internet surveillance and tighter border checks are "urgently" needed to foil jihadist attacks of the sort that rocked Paris this week, European, US and Canadian security ministers say.

PARIS - The United States will host a summit on February 18 on how to fight "violent extremism around the world" in the wake of the Paris attacks, US Attorney General Eric Holder says.

PARIS - The shooting of a jogger in a Paris suburb on the same day as the Charlie Hebdo massacre has been linked to the gunman who killed a policewoman and four hostages at a kosher grocery, a prosecutor says.

PANGKALAN BUN, Indonesia - Indonesian divers have found the crucial black box flight recorders of the AirAsia plane that crashed in the Java Sea a fortnight ago with 162 people aboard, the transport ministry says.

DONETSK - Intense fighting has erupted around east Ukraine's main rebel-held city, wrecking a power station and briefly trapping more than 300 coal miners in one of Europe's largest pits.