By bne Tehran bureau A new type of foreign rodent has invaded Iran. This rodent, however, is not physical but virtual, causing alarm among authorities across the republic. It is now a common sight to see people tapping away frantically on their smartphones, immersed in the latest digital obsession, Hamster Kombat. This recently launched crypto-based game runs through the banned social media messaging app Telegram and has garnered global attention, causing authorities in Iran and elsewhere to urge caution about the new craze. Its popularity has surged worldwide, including in Iran, where users a…