Oscar winners in main categories

Here are the winners in key categories at the 91st Academy Awards, which were handed out on Sunday in Hollywood.
Iran to build 200,000 housing units in Syria
Iran will build 200,000 housing units in Syria, a construction association official was quoted as saying by Tasnim news agency on Sunday.
N.Korean state media report on Kim's trip
North Korea's state-run media are reporting that the country's leader Kim Jong Un left Pyongyang by train on Saturday, for a summit with the US president in Hanoi.
New Emperor to open Olympics and Paralympics
Japan's Crown Prince Naruhito will likely open both the Olympic and Paralympic summer games in Tokyo in 2020 as the new Emperor.
Okinawa referendum on US base relocation
Voters in Okinawa are casting ballots in a referendum on the ongoing land reclamation work to relocate a US military base within the southwestern Japanese prefecture.
Opposition tries to move aid into Venezuela
Venezuela's political opposition has initiated efforts to move humanitarian aid into the South American country from its neighbors -- Colombia and Brazil.
Survivors of clerical sex abuse rally near Vatican
People who were sexually abused as children by clergy members of the Catholic Church have rallied near the Vatican, where church leaders are discussing ways to prevent clerical sex abuse. The protestors demanded that perpetrators be held accountable.