This is AP News Minute.
Primary voters are casting ballots in key congressional races. In Arizona, Senator John McCain is facing a tough reelection battle from a former state senator who is vowing to retire the five-term Republican.
72 mass graves could hold several thousands of victims killed by the Islamic State group. That's when an AP analysis has found after mapping the graves in Syria and Iraq. Experts expect more graves will be found as ground once held by IS is uncovered.
The US is recognizing its first official climate change refugees. The government is offering residents on the southern Louisiana isle millions in federal funding to resettle. Most belong to a native American tribe. Rising sea levels are slowly swallowing what's left of their home.
The next time you praise your dog, he may actually understand your intention. That's what researchers in Hungary have concluded after analysing brain scans of dogs. They say man's best friend understands some words as well as the tone you use.
Padamanda Rama, the Associated Press with AP News Minute.