Petra Laszlo became emblematic of anti-migrant sentiment in Hungary last year after she was caught on camera sticking out her leg to trip a migrant as he ran from police.
The visit by the leaders of the Eastern and Western churches — announced by Greek church and government officials, but not confirmed by the Vatican — would signal support for migrants and refugees.
The Greek coast guard reported a sharp drop in the number of migrants crossing between Turkey and Greek Islands on Thursday. Officials believe that bad weather and new restrictions both played a part.