Thousands of women unknowingly have intrusive photos shared on Twitter

Covert photos taken of women on beaches, public transport and elsewhere in public have been shared to two hashtags, one since 2012 with Twitter under pressure to act

Thousands of women have had intrusive photographs, taken of themselves without their knowledge, circulated on Twitter for years.

Covert photos taken of women on beaches, public transport and elsewhere have been shared to two hashtags for several years with apparent impunity.