Flash floods and mudslides sweep the border between Nepal and China, causing heavy casualties. Hundreds are missing. A new crackdown on immigration to America. The State Department pauses all visa applications just days after moving to revoke the visas of up to 200,000 people. And Meta agrees to pay up to 18 billion dollars in a landmark settlement over claims its platform harms children.

Canada announces retaliatory measures against the United States after President Trump imposes steep tariffs following a breakdown in trade talks. And China rejects the US pressure campaign against Iran and its trading partners, calling them illegal. Beijing says it will take all necessary measures to safeguard its rights and interests.

The White House announced an unprecedented assault on Iran's already battered economy. The rial drops to a record low against the US dollar. Southern China struggles to dry out after days of torrential rains from Typhoon Narra, as another typhoon makes landfall in Eastern Fujian province. And tens of thousands of people in Nevada urged to evacuate as crews battle a growing wildfire from the air and on the ground.

An escalating trade war in North America. The Trump administration lashes out after Canada promises retaliation to new tariffs. Ottawa describes the move as an economic attack. Iran says it's unbowed against US military and economic pressure. Tehran refers to threats of new sanctions as desperate. And in southern Thailand, dozens of areas hit by arson attacks. Two people are hurt. The government says the fires were aimed at creating unrest.

With Iranians already facing soaring prices, Tehran rejects Donald Trump's latest threat as economic terrorism. The US president is vowing the most crushing economic warfare amid a deadlock in talks to end the war. China's top diplomat wraps up his two-day visit to South Korea, with a message on improving ties with Seoul and promoting peace on the Korean Peninsula. And couples mark Chinese Valentine's Day with food festivals and gifts — we'll show you how the holiday is being celebrated in southern Sichuan province.

A new trade war between the US and Canada has been averted. US President Donald Trump has delayed imposing steep new tariffs, saying the two sides are close to finalizing a trade deal. Another blow to Iran's economy. The United Arab Emirates has suspended all trade with Iran following a new wave of missile attacks. Tehran denies any involvement. And the daily struggles of Palestinians in Gaza and the West Bank — a look at the human cost of violence, as the UN marks World Humanitarian Day.

Chinese President Xi Jinping welcomed his Ecuadorian counterpart to Beijing. The two leaders shore up bilateral cooperation on multiple fronts. Iran dismisses Donald Trump's latest social media post as delusional. The US president called the Strait of Hormuz a new US territory as the impasse shows no end in sight. And high-stake trade negotiations go down to the wire as Canada tries to avoid hefty new US tariffs that take effect on Wednesday.

US President Donald Trump threatens to bomb Oman if it interferes in the US blockade in the Strait of Hormuz. US special envoy Jared Kushner meets with Israeli Prime Minister Benjamin Netanyahu after holding rare talks with Hamas on implementing the US peace plan for Gaza. And one week after destructive earthquake jolts Columbia, an update on the rescue and relief effort.

The search for survivors continues in Indonesia after its most powerful earthquake in years while hopes fade in Colombia nearly a week after a tremor that left at least 300 dead. Another escalation in the Russia Ukraine conflict as Moscow targets a Ukrainian steel plant and Kyiv launches hundreds of drones across Russia. And crossing foils in a friendly competition, an unusual cultural exchange brings together students from China and the US.

A race against time to find survivors following Monday's destructive earthquake in Colombia. Rescue efforts enter a critical stage amid a rising death toll. A rare rebuke from US ambassador to Israel after an escalation in settler violence in the occupied West Bank. Several Palestinian families have been trapped and harassed and besieged by Israeli settlers for the fourth straight day. And Cuba marks the 100th anniversary of the birth of late revolutionary leader Fidel Castro.