Police apprehend a 51-year-old Thunder Bay man and served him with charges relating to sexual assaults against multiple children.

Authorities uncovered assaults that took place against four girls between the ages of 11 and 12 in 2015 at a residential address in the city.

The charges include:

Four counts of sexual assault
Three counts of sexual interference
Two counts of exposure to person under age of sixteen years
Invitation to Sexual Touching

To protect the identities of the victims, the name of the accused is being withheld.