A Dartmouth man is under arrest, charged with possessing child pornography. 

According to Dartmouth Det. Kyle Costa, a joint investigation involving Dartmouth and State Police began in March, when police received a tip that 28 year old John Keyes had downloaded pornographic images of children from the internet.

Police carried out a search warrent at Keyes' Alden Avenue home, and seized several pieces of electronic equipment.

Keyes was later charged with two counts of possession of child pornography, and ordered held on $2,000 bail.