A total of 40 stickers suspected to be part of an alleged terror plot by a group of Iranians have been found pasted along a route running close to a luxury hotel in downtown Bangkok, nearly a week after the triple explosions rocked the Thai capital.

The stickers have the word “SEJEAL” written on them and police have not yet figured out what it meant but believe it could be a code, Nation newspaper reported on Tuesday. Sijjil, a word with a different spelling, means “Baked Clay” in Persian language, according to Wikipedia. Iranian solid-fueled ballistic missiles have also been named Sijjil.

Earlier, many stickers were found in a room in the house rented by Leila Rohani, a woman suspect who is already apparently back in Iran, as well as on a motorcycle purchased by other suspects, which has been recovered. The stickers, 40 of which were pasted at 27 locations on power poles, traffic signs and telephone booths, were on Monday found along a road leading to the JW Marriot Hotel, off the main Sukhumvit road. PTI