With a couple of close friends looking on, Weston presented Nikki with an impressive emerald and diamond band ... while Weston got a ring featuring Marvel superhero Thor ... the hammer-wielding god of thunder. We're told Weston delivered a pretty emotional speech in front of the fire ... but as he was finishing up, several fire trucks raced to the scene after receiving calls from people concerned about the blaze...
Weston explained the situation to the firemen ... and everyone was allowed to go along their way without further incident.