The explosion happened just as the three residents were entering the building on Monday evening.
Authorities in Monaco have not confirmed the victims’ identifies but according to local reports, the attack targeted Vadym Yermolaiev, his partner and his son.
Yermolaiev, 58, is a wealthy real estate developer, who has been living in Monaco.
Officials believe Berezovska had spent some days casing out the residence.
Raymond said the suspect, pictured on CCTV cameras wearing a dark bucket hat, left the scene on foot after depositing the parcel but is then believed to have picked up a hire car and driven to Italy and on to Germany.
Photos of Berezovska released by Interpol show a woman with dark shoulder-length hair. She has a tattoo on her right arm which “possibly” depicts a snake, according to officers.
Interpol is not a police force itself, but helps forces across the world to co-operate.
A Red Notice is an alert to all of its 196 member countries, asking them to locate and arrest a person.
