Pope Francis will visit Hungary at the end of April, the Vatican said on Monday, in a trip expected to focus on migration to Europe and Russia's war in Ukraine.The April 28-30 trip to Budapest represents a proper state visit after Francis made a brief, hours-long stopover in 2021 to close out a church conference. That visit was visibly awkward, given that Prime Minister Viktor Orban's hard-line views on migration and Francis' call for countries to welcome those fleeing war, hardship and poverty.