Factbox-Where Trump, Israel and Hamas stand on Gaza roadmap

July 31 (Reuters) - U.S. President Donald Trump has announced what he described as a breakthrough agreement to end the Gaza war, but major gaps remain over how any deal would be implemented. The central dispute is over sequencing. Hamas says Israel must first meet commitments under the ceasefire agreement reached last year in Sharm el-Sheikh, Egypt, while Israel says Hamas must first undergo what it calls genuine disarmament. Previous diplomatic efforts have repeatedly collapsed over the issue,…