Good evening, I'm John Yang. The risks facing U.S. forces targeting Iran-backed Houthi rebels in Yemen

came into sharp focus this morning when, according to Central Command, a U.S. Navy guided missile cruiser

mistakenly shot down an American fighter jet over the Red Sea. Both pilots of the F. 18 ejected and were recovered alive. One suffered minor

injuries. U.S. Central Command said warships and aircraft had earlier shot down Houthi drones

and an anti-ship cruise missile. The friendly fire incident is being investigated.

In Gaza, airstrikes overnight killed nearly two dozen people, including five children.

One strike hit a school that housed displaced people.

The Israeli military says it targeted the area because Hamas militants were also sheltered there.

The other strike hit a home in Dierre Al-Bala where relatives scrambled to find several children

who were all sleeping in the living room.

Despite the violence,

Israeli authorities allowed a Catholic cardinal into Gaza today to celebrate Mass with the small

Catholic community there. It came one day after Pope Francis criticized Israel's actions in Gaza.

The Christmas market in Magdeburg, Germany reopened today, two days after a vehicle

intentionally plowed into a crowd of people there. The market closed after Friday's crash,

killed five people, and injured about 200 others. Today, visitors tried to return to some semblance

of normalcy amid increased security. German authorities acknowledged they got a tip in November

23 from Saudi Arabia

about the driver of the car. They say they investigated it, but took no action because it was

unspecific. For only the fourth time since 1900, this year Christmas and the first night

of Hanukkah fall on the same day. And for many, that means a rush to get home for the holidays.

A TSA spokesperson tells PBS news that on Saturday, they screen 2.7 million people at airport

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