There are high-voltage wires on the roof and a dead tree next to it is very dangerous. Is it helpful to call 12345?

It works. If citizens find safety hazards in trees, they can call 12345 or 114 or 110 to report the problem, and the superior department will arrange personnel to deal with it. 12345 refers to the public service platform established by local municipal people's governments to specifically handle hotline matters, consisting of telephone number 12345, mayor's mailbox, mobile text messages, mobile clients, Weibo, WeChat, etc.