COPS are hoping to ketchup with a prankster hurling tomatoes at passers-by.
The phantom thrower has struck at least seven times in two seaside towns, taking aim from a moving vehicle.
The daytime strikes appear to be random.
One saw the attacker use an apple instead, hitting the victim in the face and leaving them with minor injuries.
The incidents came across three days in Eastbourne and Hastings, East Sussex.
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Sussex Police said yesterday: “Officers are appealing for witnesses to a series of unprovoked attacks.
“On Wednesday, April 12, a person was walking in Hastings at around 7.30pm when they were hit in the face with an apple, causing minor injuries.
"On Thursday, April 13, a person was hit in the arm with a tomato while walking in Eastbourne, at just before 8pm.
“On Friday, April 14, at approximately 1.15pm, a person was hit with a tomato in Eastbourne.
"Shortly after this, a person was struck in the face with an unknown object.
"On the same day, at around 2.40pm, a person in Hastings was hit in the head with a tomato.
“Shortly after this, a person was hit on the head with a tomato and a person was hit in the face with an unknown object.”
Investigator Caroline Bendell, from the Hastings Criminal Investigation Department, said: “In all cases, the victims have been going about their daily routine when they have been hit by items believed to have been thrown or propelled in some way from a vehicle.
“It is believed that these incidents are part of a series.
"We are asking any witnesses to come forward and any further victims.
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“You can contact us online or by calling 101. If you are in danger, always call 999.”