Delete one days total events using an image

Here I am added an image to day cell using css:

.fc-widget-content::after {

     margin-top: 1 px;

    margin-left: 70 px;

    font-family: 'FontAwesome';content:"\f00d";

    position: absolute;

    white-space: pre;

    color:#F00;

}

when we click on this icon i want to delete all events on that particular day.here i am using . I am using day click function also.

dayClick: function(date, jsEvent, view) { 

            alert('Clicked on: ' + date.getDate()+"/"+date.getMonth()+"/"+date.getFullYear());  

        },

but here i got date when click on day,but my requirement is when i click on that icon i can delete total events on that day.Please help.
Thanks.