Police are investigating the morning murder of a man on a West Philadelphia street.

Police were called around 9:30 a.m. to Christian and Cecil streets, where a 30-year-old man was lying on the ground with a gunshot wound to his head. He was pronounced dead there by medics at 9:40 a.m., according to police.

No arrests were made in the homicide, which adds to a growing tally of murders this year that surpassed last year's count last week.

Today, the Daily News took an in-depth look at homicide in Philadelphia in 2012. For online versions of the stories, click here and here. For a full list of the names of more than 320 people who were killed in the city this year, where they were killed and how, pick up a copy of today's Daily News.