Yellow Makita cordless drill, 18V, lost near Tate Modern

Yesterday around 3pm I was doing a quick fix and left my yellow Makita cordless drill in its black-and-yellow case. I think I left it near the Tate Modern's riverside entrance on the South Bank after a quick chat with a friend. The drill is a Makita DHP481, 18V, with a 2.0Ah battery. There’s a red sticker with my initials MP on the battery grip and a small nick on the chuck from a dropped bit. It’s my main tool for work and I really need it back to finish a project—if anyone finds it, please message me.