Street Dog Bite First Aid. If it is bleeding then put pressure on that area with a clean cloth. Apply direct and persistent pressure to the wound while preparing to clean.

Why Get First Aid for Your Dog Bite. Dogs canine teeth tend to make puncture wounds and puncture wounds can easily become contaminated with bacteria. For example adequate first aid measures may prevent infection reduce the risk of complications and help your wound heal fast.
Apply direct and persistent pressure to the wound while preparing to clean.
If the wound appears to be minor immediately run it underwater while encouraging the wound to bleed. Applying an antibacterial lotion to the wound would also be a help. Apply direct and persistent pressure to the wound while preparing to clean. Grabbing the aggressive dog though may prompt him to attack you.