The Romans called on Tiberius Sempronius Gracchus to join their armies around Capua with his force , but he was ambushed in Lucania , and with his death his army dispersed .
In response , Hannibal sent 2,000 Numidian cavalry under Boaster and Hanno as reinforcements to Capua .
The Romans called on Tiberius Sempronius Gracchus to join their armies around Capua with Hannibal 's force , but he was ambushed in Lucania , and with his death his army dispersed .
In response , Hannibal sent 2,000 Numidian cavalry under Boaster and Hanno as reinforcements to Capua .