Unknown Beetle with babies or parasites??

Unknown Beetle with babies or parasites??

Observation - Unknown Beetle with babies or parasites??. Description: A small beetle that kept falling over as it was outweighed with the passengers underneath it. Bronze/brown and black, quite small only 6-9mm and very dirty. Not sure if the passengers are the beetles babies or some sort of parasite?? Spotted in my garden

A small beetle that kept falling over as it was outweighed with the passengers underneath it. Bronze/brown and black, quite small only 6-9mm and very dirty. Not sure if the passengers are the beetles babies or some sort of parasite?? Spotted in my garden in Cornwall. After he/she fell over she got back up again and stumbled off.