I think that there is no way to add the event handler like ```locationfound``` below. The reason is that here [1] it sets a default alert message. If we don't override that with our handler when we instantiate the control, it shows an alert box after our warning message. 

[1] https://github.com/johngian/remo/blob/933c548e3802424eb75c2685f3d6ac56536b178c/media/leaflet-locatecontrol/src/L.Control.Locate.js#L38