There was a reason to be fearful as costume-clad Hallowe'en revellers took to the streets to celebrate ahead of the coming week's 'scariest night of the year'.
Party-goers in Leeds showed off their outfits on Saturday night while enjoying the city's renowned pub crawl, the Otley Run.
The pub crawl has 18 stops on the way as groups make their way to the city centre.
The traditional tour starts at about 3pm and weaves its way from Headingley in the outskirts of Leeds along Headingley Lane, past the University of Leeds, and finishes at The Dry Dock Leeds in the city centre 1.5 miles away from the start.
There was a mixture of costumes ranging from spooky to sexy, as well as secret agents.
From jack o'lanterns to Scream and even Freddy Krueger, they donned wonderful and weird outfits, while making the most of an extra hour ahead of the clocks going back.
This group decided to show off their jack o'lantern costumes.
In previous years, some of the standout and most eye-catching outfits include partygoers dressed as corpse brides drenched in fake blood.
Meanwhile, 2019 proved to be the year of the clown with many choosing to dress like the Joker or don a scary circus theme vibe.
Elsewhere in the world on this Saturday night, party-goers in Ukraine kicked off Halloween early with a costumed rave that packed a Kyiv concert hall with hundreds of revelers dressed as Pennywise, the Joker, Medusa and more.
The daytime techno bash, complete with an on-site tattoo parlor, art installations and bean bag lounges, started hours before sunset to beat the city's midnight curfew.
Organised by Laboratorium, the event is part of a recurring electronic music and art festival series that's become a staple of the Ukrainian capital's underground scene.
This party-goer went all out on his colourful circus themed Halloween costume including face paint as he made his way between pubs.
Others chose circus themed costumes as they dressed up for the spooky celebrations, even donning face paint and hair accessories.