EDITOR'S NOTE: This story has been updated throughout. 

UPDATE: Due to the sensitive nature of this case, the arraignment has been postponed to Monday, Edinburg police say. 

A 21-year-old woman is in custody after allegedly shooting her 18-year-old brother while playing with a handgun, according to a news release from the Edinburg Police Department.

On Saturday, around 11 p.m., police responded to an apartment in the 1600 block of Tampa in reference to a man who had been shot. 

Preliminary investigation revealed that the 21-year old-woman shot her 18-year-old brother while allegedly playing with a handgun, the news release stated.

The woman is in custody and pending further investigation. She has no injuries and there is no other suspect.