Police have arrested a woman on charges of killing her three children in Gulistan-e-Jauhar area of Karachi, 24NewsHD TV Channel reported on Thursday. 

The arrested, named as Noreen, is accused of poisoning her three children when her husband when her husband Imran was in Lahore. 

On the application of Imran, police registered a case and started investigation. 

Reports said the family did not let police conduct post-mortem of the bodies. However, Imran alleged Noreen got involved in the crime 

Some media reports claimed the couple had tense ties. The three children were rushed to a private hospital in critical condition and breathed their last in April.