jmjc

There has been a high pitched alarm going off for the last couple days. I can't work out where it's coming from but sounds like somewhere on the row of shops in between Barcelona Tapas and the vets. I live on the other side of the road 4 floors up and it's just loud enough at the kind of pitch that becomes very invasive and annoying. It kept me up all last night even with earplugs in. Is anyone else having this problem or know where it's coming from?