Two girls were found dead in a field in Uttar Pradesh's Unnao last evening, the police said today, adding that a third girl found with them is critical in hospital. The girls, who were 16, 13 and 17 years old, had left home on Wednesday afternoon to get fodder for animals. When the girls, who were cousins, did not return home by late evening, the family started a search and found the girls lying in a field, unconscious.