The man charged following investigations into two alleged assaults on Brisbane buses in December last year has been arrested in relation to two additional assaults.
It will be alleged a 16-year-old was assaulted in an unprovoked incident at Ashgrove and a 65-year-old woman attacked in a separate incident at Red Hill.
A 39-year-old Aspley man has been charged with one count each of assault occasioning bodily harm and serious assault.
He is due to appear in the Pine Rivers Magistrates Court tomorrow.
Investigators continue to appeal for anyone who may have been a victim of random or unprovoked assaults in Brisbane by a man and who has not already spoken to police, to please contact them.
If you have information for police, contact Policelink on 131 444 or provide information using the online form 24hrs per day.
You can report information about crime anonymously to Crime Stoppers, a registered charity and community volunteer organisation, by calling 1800 333 000 or via crimestoppersqld.com.au 24hrs per day.
Quote these reference numbers: QP1802335640, QP1802315035
