Ambush

In a prelude to the Thal-Dalek battle, the Daleks attempted to ambush the Thals by luring them into the Dalek City with offerings of food. Ian Chesterton prevented a massacre by warning the Thals but the warning came too late for Temmosus, who was exterminated. (TV: The Daleks)

Behind the scenes
In reference to The Daleks, the entire Dalek race is arrested by a policeman in DWM 206's Doctor Who? instalment for the parts they played in the murder of Thal 306 during the Decoy Food Ambush of 1963.