Civil aviation officials said pilots are complaining that laser pointers are being aimed at their planes as they land at Grenada's international airport.
The Grenada Airports Authority said pilots have reported seeing lasers while on final approach to Maurice Bishop International Airport.
Several have filed a complaint with the Eastern Caribbean Civil Aviation Authority.
The airports authority said it is looking for a culprit who could be charged with interfering with air crew duties.
The authority has posted notices in local newspapers warning that shining lights at planes is considered a security offence.
None of the pilots have had trouble landing but they say that the lasers are a hazard.
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