Tonight's several developing stories as we come on the air, the dramatic capture of that escaped killer, the dog that took him down.

Also, the U.S. State Department tonight on the Americans onboard a cruise ship that has run aground.

And the moment on Capitol Hill late today, Senator Mitt Romney not running again, and what he said about politicians in their 80s in this country.

First tonight, the fugitive murderer on the run taken down, you'll see the images tonight, minutes after being taken into custody.

A DEA plane with thermal imaging detecting heat signals, the dogs sent in, and the one dog that took him down.

Trevor all live on the ground tonight. The storms in the northeast, the new flood watches and warnings, and the tornado warning as well.

And we're tracking Hurricane Lee, what this could mean for the East Coast, and Cape Cod as well, Rob Marciano timing this out.

The U.S. State Department tonight saying several Americans onboard that cruise ship that has run aground the effort tonight to get to them, and why they could be stuck on that ship for days.

On Capitol Hill late today, Senator Mitt Romney not holding back, saying he will not seek re-election, and what he said about politicians in their 80s about Donald Trump's hold on the Republican party, and why he thinks young people, young voters in this country, will not stand for it. Rachel Scott live on the Hill.

The horrific images overseas, bodies washing ashore, at least 6,000 people killed in devastating flooding in Libya, Tom Sufi Burj reporting.

Vladimir Putin and Kim Jong-un face-to-face in Russia, what Putin is now expected to get from North Korea in the war in Ukraine, despite warnings from the U.S.

The member of Congress whose husband has been killed in a plane crash tonight, what we know about his final moments at the controls, and the condolences coming in.

American automakers bracing tonight the UAW strike deadline a little more than 24 hours away now, at what they just signaled moments ago.

We're live in Detroit, the former NBA player who collapsed and died during yoga, and in football the push tonight for a big change on the field after what happened to Aaron Rogers.

From ABC News, World Headquarters, and New York, this is World News Tonight with David New York.

Good evening, and it's great to have you with us here on a Wednesday night. We do begin tonight with this dramatic capture, finally an end of the man-hunt that kept thousands of people on edge for nearly two weeks outside Philadelphia.

Convicted murderer Danilo Cavalcante captured, surrounded and surprised by a tactical team.

When he tried to call away with his stolen rifle, it was a police dog that took him down, led away in handcuffs to an armored vehicle, tonight back behind bars.

The U.S. Marshals sharing this photo of the moment he was taken down.

The big break came from heat sensors on a plane overnight, that plane detecting someone before bad weather forced the plane back for a time.

But on the ground they moved in, trained dogs helping to finish the job.

A motorcade taking him to a state police facility was actually a home alarm that went off overnight, that initially drew search teams to that area.

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