setTimeout(function() {
        var map = L.map('map', {zoomControl: false}).setView([37.784173, -122.401557], 14);
        L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer/tile/{z}/{y}/{x}',
            {
                attribution: 'Tiles © Esri'
            }).addTo(map);
        component.set("v.map", map);
    });
},

accountsLoaded: function(component, event, helper) {

    // Add markers
    var map = component.get('v.map');
    var accounts = event.getParam('accounts');
    for (var i=0; i<accounts.length; i++) {
        var account = accounts[i];
        var latLng = [account.Location__Latitude__s, account.Location__Longitude__s];
        L.marker(latLng, {account: account}).addTo(map);
    }
}