In German, traditionally narrative texts are written in the past tense. When the pace of the action picks up, the narrator can increase immediacy and urgency by switching into the present tense.
Is such a tense shift acceptable in English also?
Last friday, I went to ... On my way home, it was around three, I sat waiting for the bus, when suddenly a car pulls up in front of the bus stop and three thugs jump out and start shooting at me. I throw myself to the floor ...