Hakeemul Ummah Hazrat Moulana Ashraf Ali Thaanwi Sahib رحمه الله has said that this disease of zina is spreading like wildfire. Some indulge in the ultimate act of fornication, and some are involved in its introductory acts such as staring at females and lads. It is mentioned in the Hadīth that the eye, the hands and the tongue also fornicate. To look with lust is also included in zina. In fact to derive mental pleasure from speaking to a female or a lad is also zina and homosexuality. Thinking about females and lads is the zina of the heart. Most people are trapped in this calamity. It has become a widespread disease.
(SOURCE: MALFOOZAAT OF HAZRAT MOULANA ASHRAF ALI THAANWI SAHIB رحمه الله, PART 6)