Russia's invasion of Ukraine is the deadliest conflict in Europe since World War II, and the first to see algorithms and TikTok videos deployed alongside fighter planes and tanks.

The online fight has played out on computer screens and smartphones around the globe as Russia used disinformation, propaganda and conspiracy theories to justify its invasion, silence domestic opposition and sow discord among its adversaries.

The northern West Bank city of Nablus, the Palestinian commercial center, resembled a war zone on Wednesday, after a daytime Israeli military raid triggered a firefight that killed at least 10 Palestinians and wounded more than 100 others.

It was the latest bloody escalation in a monthslong surge of Israeli raids into the the occupied territory that has led to the deaths of some 200 Palestinians and the arrest of at least 2,600 others. Last month, a similarly deadly raid in the northern West Bank city of Jenin triggered a Palestinian attack outside a synagogue in Jerusalem and a burst of rocket fire from Gaza.

Iran's city of Qom is one of the country's most important centers for Shiite Muslim clerics, packed with religious schools and revered shrines. But even here, some are quietly calling for Iran's ruling theocracy to change its ways after months of protests shaking the country.

To be clear: Many here still support the cleric-led ruling system, which marked the 44th anniversary this month of Iran's 1979 Islamic Revolution.

Conspiracy theories about a U.S. research station have resurged, with social media users falsely blaming it for the Turkey-Syria earthquakes, following debunked claims it causes weather disasters and spreads the coronavirus.

The war in Ukraine that began a year ago has killed thousands, forced millions to flee their homes, reduced entire cities to rubble and has fueled fears the confrontation could slide into an open conflict between Russia and NATO.

A look at some of the main events in the conflict.

After years of war, residents of areas in northwest Syria struck by a massive earthquake are grappling with their new and worsening reality.

Almost one week after the devastating 7.8 magnitude earthquake struck northern Syria and neighboring Turkey, the United Nations has acknowledged an international failure to help Syrian quake victims.

A magnitude 7.8 earthquake shook Turkey and Syria on Monday, killing more than 4,000 people in the two countries. The death toll is expected to rise as rescuers working in cold and snow look for trapped people in the rubble of toppled buildings.

Here are some of the world's deadliest earthquakes in the past 25 years:

A major 7.8 magnitude earthquake followed by another strong quake devastated wide swaths of Turkey and Syria early Monday, killing thousands of people.

Here's what to know:

Most wealthy Gulf Arab nations followed Saudi Arabia's lead in recent years and ostracized crisis-hit Lebanon because of the growing influence of the Iranian-backed Hezbollah. The exception was Qatar.

Doha has been silently expanding its influence in Lebanon. It continued receiving Lebanese leaders and pumped tens millions of dollars into helping the country's armed forces amid a historic economic meltdown.

Pakistan's Peshawar was once known as "the city of flowers," surrounded by orchards of pear, quince and pomegranate trees. It was a trading city, situated at the gates of a key mountain valley connecting South and Central Asia.

But for the past four decades, it has borne the brunt of rising militancy in the region, fueled by the conflicts in neighboring Afghanistan and the geopolitical games of great powers.