Officials in Hamas-run Gaza said Monday dozens were killed overnight in "intense" Israeli bombardment, as the war passed the grim 100-day milestone. Deadly violence in the Israeli-occupied West Bank and along Israel's border with Lebanon as well as fighting between US forces and Iran-backed Yemeni rebels in the Red Sea have raised fears of an escalation beyond the Gaza Strip. The war, sparked by Palestinian attacks on Israel, has created a humanitarian catastrophe for the 2.4 million people in the besieged strip, the United Nations and aid groups warn, and reduced much of the territory to rubble.

WHY THE ISRAEL-HAMAS WAR MAY ONLY BE THE BEGINNING

Thousands of tech industry workers have already lost their jobs in just 14 days since the New Year. A total of 7,528 employees in 48 tech companies worldwide have been laid off from Jan. 1 to 12, according to data from layoffs.fyi, which monitors job cuts in the industry. The biggest layoffs announcement came from video game software provider Unity Software, which said in a regulatory filing that it would cut approximately 25% of its workforce, or 1,800 jobs, to start the year.

US Defense Secretary Lloyd Austin has been released from Walter Reed hospital, he said Monday, after two weeks of treatment that he initially concealed from other top officials. That lists  includes President Joe Biden, leading to calls for his removal from office. Austin kept Biden and lawmakers in the dark about being diagnosed with prostate cancer for weeks, and did not inform them for days about his hospitalization on Jan. 1 for complications from his treatment.

WAS KEEPING HEALTH A SECRET A NATIONAL SECURITY RISK?

In what year did Iowa become the first state to hold primary elections?

Friday's answer: The first US Secretary of War was Henry Knox (1789). The first US Secretary of Defense was James Forrestal (1947).