Bengaluru: A video of two miscreants in hoodies and masks, allegedly robbing walkers at knifepoint in broad daylight, has sent the city police into a tizzy. The incident was recorded on the mobile phone of a person who was apparently inside a parked vehicle. The video went viral on social media prompting Bengaluru police to beef up security and patrolling in and around Chickpet metro station in a bid to nab the suspects.