What are the 10 biggest news stories from today?

I'll gather today's 10 biggest headlines for you — searching live coverage for September 17.

As of today — Thursday, September 17, 2026 — the biggest headlines:

1. Federal Reserve interest rate decision dominates markets
The Federal Reserve announced a quarter-point interest rate cut on Wednesday (September 17), marking the first reduction since December. The new benchmark lending rate now ranges from 4% to 4.25%. The decision was described as aiming to support the weakening U.S. labor market.

Note: Other wire reports on the same day reported the opposite move — that the Federal Reserve raised its benchmark rate for the first time since 2023, lifting the key rate to about 3.9% with the current target range at 3.75%–4.00% effective 17 September 2026 — reflecting market confusion ahead of the official 2pm ET announcement.

2. ABC suspends Jimmy Kimmel Live! indefinitely
NEW YORK (AP) — ABC has suspended Jimmy Kimmel's late-night show indefinitely following comments he made about Charlie Kirk's killing. ABC confirmed via a spokesperson that "Jimmy Kimmel Live! will be preempted indefinitely" to Deadline on September 17, just past 3:30 p.m. after affiliate groups Nexstar and Sinclair said they would preempt the show.

3. U.S.-Iran war intensifies — U.S. submarine sinks Iranian warship
DUBAI, United Arab Emirates (AP) — A U.S. submarine has sunk an Iranian warship in the Indian Ocean. The sinking happened as Washington and Israel intensified their bombardment Wednesday of Iran's security forces. Tehran has warned of the destruction of the Middle East's military and economic infrastructure as the tempo of strikes remained intense.

4. Iran fires on Gulf allies, testing fragile ceasefire
CAIRO (AP) — Iran has fired ballistic missiles and drones toward Bahrain and Kuwait. Bahrain called on Tehran to stop what it called a "serious escalation" while Iran said it targeted the U.S. military, calling a U.S. strike on Qeshm Island a violation of the fragile ceasefire.

5. Diesel and oil prices surge on war disruption
CHICAGO (AP) — Diesel prices in the U.S. has hit yet another record, soaring past $6 a gallon on average as Washington's war with Iran disrupts the world's flow of fuel. The national average of nearly $6.06 is up from $5.85 last week and almost $3.71 from this time last year.

6. EPA repeals power plant greenhouse gas rules
WASHINGTON (AP) — The Environmental Protection Agency is repealing rules that limit planet-warming greenhouse gas emissions from power plants fueled by coal and natural gas, an action the agency said would save industry more than $300 billion in costs and help "unleash" American energy.

7. U.S.-Canada trade war escalates with tit-for-tat tariffs
WASHINGTON (AP) — The U.S. and Canada have ramped up their trade war, hitting each other with steep new tit-for-tat tariffs. Analysts noted Canadian Prime Minister Mark Carney reacted to new 50% U.S. tariffs on certain Canadian goods by responding in kind on about $20 billion worth of American imports, including steel, dairy products, appliances and farm equipment.

8. Houthi rebels seize strategic Red Sea islands
CAIRO (AP) — Yemeni officials say the Houthi rebels captured more strategic islands in the southern Red Sea, strengthening their control of a major maritime shipping route. The rebels deployed fighters on the islands of Greater Hanish and Lesser Hanish 160 kilometers north of Bab el-Mandeb Strait after seizing the port city of Mokha and the island of Mayun last week.

9. Trump legal setbacks — mail ballots and Kennedy Center
A federal judge in Washington, D.C. has issued a new order freezing President Donald Trump's attempt to limit mail voting for the midterm elections. Separately, WASHINGTON (AP) — The board of the Kennedy Center has voted to close the facility over financial issues and a dispute over putting President Donald Trump's name on the venue after a federal judge blocked the board from adding Trump's name.

10. AI safety warnings rattle global markets + Trump midterm cash pledge
LOS ANGELES (AP) — New warnings from the artificial-intelligence industry have revived debate over whether advanced AI models could escape human control and threaten humanity. Following calls from Anthropic and OpenAI to slow AI development, world shares mostly declined led by AI-related stocks with Japan-traded shares of SoftBank Group falling more than 10%.

And at the Republican midterm convention in Dallas, President Donald Trump has pledged $5,000 to every American if Republicans hold onto Congress in the midterms while slamming Democrats as extremists.