Two men, alleged to be thieves, died and their third accomplice got injured when they fell off their "speeding" motorcycle trying to flee upon hearing a police siren on Monday, police said. The incident happened on Loha Mandi-Balsamand-Road-area of Hisar-district in the early-hours of the day, they said. Around 4-am, three-persons were wandering in the area and broke the locks of a-few-shops, according-to-police.