美联社新闻一分钟 AP 2016-7-30（在线收听）

This is AP news minute.

1. Prosecutors have dropped the remaining charges against Baltimore police officers in the death of Freddie Gray, bringing an end to the case with hours conviction. Gray was a black man who was critically injured in the back of a police van in April,2015. 

2. A judge says John Hinckley,Jr who attempted to assassinate president Ronald Reagan will be allowed to leave a Washington mental hospital and live full time in Virginia. The ruling comes more than 35 years after the March,13th 1981 shooting outside a Washington hotel, in which Reagan and three others were injured. 

3. Pope Francis arrived in Poland on Wednesday, where he will spend five days meeting with young Catholics and visiting Auschwitz, as well as some Poland's most important Catholic shrines. It's the first time that Francis has visited the East European nation. 

4. And two circus acrobats tied the knot on a tightrope during a performance in Houston. The couple got married 30 feet off the ground Tuesday, during a Ringling brother's and Barnum & Bailey show. 

Emily Roseman, the Associated Press, with AP News Minute.