moment making news. thunberg seen in the lobby as the spotlight then shifted back to president trump. the president early in his administration took the u.s. out of the paris climate accord. and there is news tonight about those deadly drug overdoses in pittsburgh. police arresting a suspect now, accusing him of supplying drugs laced with fentanyl at a party in an apartment. three people died, four are hospitalized. authorities say the victims were found in the apartment, inside an elevator and right outside on the street. there is still much more ahead on "world news tonight" this monday. the underwater proposal that ended in tragedy. the american boyfriend surprising his girlfriend, holding out a note and a ring. it was his last message to her. how this happened. the new health alert tonight. the drugmaker recalling a blood pressure drug because of a possible cancer risk. and we'll have details for you. and here in new york city tonight, the effort to save a 5-year-old girl under the subway. how they got her out. a lot more news ahead here on a monday night, i'll be right back. on a monday night, i'll be right back. one of the windiest places in america.