Prince Harry and his wife, Meghan, arrived in Nigeria on Friday to champion mental health for young people affected by conflicts and to promote the Invictus Games, which the prince founded to aid the rehabilitation of wounded and sick servicemembers and veterans.

The couple, in the West African nation for the first time on the invitation of its military, visited the Lightway Academy college which receives support from their Archewell foundation to educate and train young girls affected by conflicts in Nigeria.

Police early Friday dismantled a pro-Palestinian tent encampment at the Massachusetts Institute of Technology and moved to clear protesters from University of Pennsylvania's campus in Philadelphia, just hours after police tear-gassed protesters and took down an encampment at the University of Arizona.

In Cambridge, Massachusetts, video showed police roaming through the MIT encampment and organizers said about 10 students had been detained. Police in riot gear arrived around 4 a.m., encircled the camp and gave protesters about 15 minutes to leave. A crowd outside the camp began gathering and chanting pro-Palestinian slogans but were dispersed by 6 a.m.

Lead screening conducted on west Maui residents after last summer's devastating wildfires showed no widespread exposure to the toxic metal, Hawaii health officials said.

Blood samples were taken from 557 people after the deadliest U.S. wildfire in more than a century ripped through the town of Lahaina, killing 101 people.

A Brazilian horse nicknamed Caramelo by social media users garnered national attention after a television news helicopter filmed him stranded on a rooftop in southern Brazil, where massive floods have killed more than 100 people.

About 24 hours after he was first spotted and with people clamoring for his rescue, a team in Brazil's Rio Grande do Sul state on Thursday successfully removed Caramelo, providing a dose of hope to a beleaguered region.

Hundreds of volunteers have set up a makeshift dog shelter in an abandoned, roofless warehouse in the Brazilian city of Canoas, one of the hardest hit by floods since last week. They treat and feed sick, hungry or injured dogs, hoping to reunite them with their owners.

Their work was at full speed Friday morning as heavy rains are expected again in the region for the weekend.

Heavy fighting between Israeli troops and Palestinian militants on the outskirts of the southern Gaza city of Rafah has left crucial nearby aid crossings inaccessible and caused over 100,000 people to flee north, a United Nations official said Friday.

Israel's plans for a full-scale invasion of Rafah appear to be on hold for now, with the United States deeply opposed and stepping up pressure by threatening to withhold arms. But even the more limited incursion launched earlier this week threatens to worsen Gaza's humanitarian catastrophe.

Iranians voted Friday in a runoff election for the remaining seats in the country's parliament after hard-line politicians dominated March balloting.

People in 22 constituencies across the country will elect 45 representatives from a pool of 90 candidates, 15 of whom are considered moderate.

On college campuses across the United States, a rallying cry of pro-Palestinian protesters has been " Disclose, divest! We will not stop, we will not rest."

Now some are winning the first of those two demands: Promises to provide information about how much university endowment money is invested in companies profiting from the Israel-Hamas war.

Prime Minister Benjamin Netanyahu has said that a U.S. threat to withhold some arms would not prevent Israel from continuing its offensive in Gaza, indicating it might proceed with an invasion of the packed city of Rafah against the wishes of its closest ally.

President Joe Biden has urged Israel not to go ahead with such an operation over fears it would exacerbate the humanitarian catastrophe in the Palestinian enclave. On Wednesday, he said the United States would not provide offensive weapons for a Rafah offensive, raising pressure on Netanyahu.

The U.N. General Assembly is expected to vote Friday on a resolution that would grant new "rights and privileges" to Palestine and call on the Security Council to favorably reconsider its request to become the 194th member of the United Nations.

The United States vetoed a widely backed council resolution on April 18 that would have paved the way for full United Nations membership for Palestine, a goal the Palestinians have long sought and Israel has worked to prevent, and U.S. deputy ambassador Robert Wood made clear Thursday the Biden administration is opposed to the assembly resolution.