Donald Trump May 24, 2018 11:42 am Trump Calls Off North Korea Summit Thursday morning, President Donald Trump canceled the planned nuclear summit in Singapore with North Korean leader Kim Jong Un. Tremendous anger and open hostility were cited as reasons for the cancellation. US & World Videos 0:51 Police officer shot and killed 1 of 4 dogs that attacked a 53-year-old man 1:49 ‘We have to do better': Philly teen dedicates her Instagram to humanizing victims of gun violence 1:22 Video shows man walk up to ring doorbell with an apparent gun, police say 2:27 76ers team owners bought tickets to pack the Wells Fargo Center with Sixers fans 1:28 Neumann University students help Delco law enforcement to investigate crime cases