reporter: but new york democrat kirsten gillibrand said more transparency is critical. the increasing number of objects in the sky could be a threat to military aircraft. these pilots, they see this urgent for national security reason to have domain awareness. they could crash into these objects. reporter: congress, which for years has avoided this topic unidentified phenomenon, tomorrow will give it a big and bipartisan platform, when these three people take the witness stand to describe their own encounters with ufos, it will just be u.s. media watching. i am told several international news outlets watching this room, as well. norah? norah: no doubt a lot of interest. scott, thank you. tonight, there is a tentative contract agreement between ups and it s more than 340,000 union workers. the deal avoids what many predicted would be one of the largest and costliest strikes in american history. the teamsters called the agreement historic and said it sets a new standard in labor
a240 million americans facing temperatures over 90 degrees. here are tonight s headlines. most vulnerable safe asng the- temperatures in major cities like new york, d.c., and philadelphia are expected to reach triple digits. it s miserable, actually. bronny james! bronny james, the teenage son of lebron james, is recovering after going into cardiac arrest during a practice at usc. norah: police say they found a walk involved with gunse gilgo beach murder suspect s home. 79 weapons were recovered. norah: breaking news. the u.s. marine veteran who was part of that russian prisoner swap last year went to ukraine to fight and is now injured. what impact will it have for others held in russia? ups and the teamsters union have reached a tentative deal to avoid a strike.