A 31-year-ild man was detained Tuesday over charges of fornication with an underage boy in Bulgaria`s village of Eliseyna. The arrest came after a security guard in a non-functioning local kindergarten saw the man attacking the 9-year-old child. The detainee is a colleague of the victim`s father, police authorities reported.  Both work in a construction company in the capital city of Sofia and the paedophile was visiting his colleague`s family in the country. After the police nabbed him, the attacker confessed he often came to the family`s house and fornicated with the children after saying he is to take care of them. The investigation on the case continues.