Avoid using this template in new articles. See the Wikinews style guide for preferred modern practice. We would now write

{{date|January 1, 2005}}<br/> {{w|Mumbai}}, {{w|India}} —
Massive floods soaked ...

instead of

{{byline|date=January 1, 2005|location=Mumbai, India}} Massive floods soaked ...

{{date|<please specify a date parameter>}}

{{{location}}} —