Woman killed herself after strangling her two children. (Representational Image)Creative Commons

A 25-year-old woman, who is suspected to be mentally unstable, strangled to death her four-year-old son and her six-month-old daughter before killing herself.

The incident took place in the Yenugupalli village in the southern Indian state of Andhra Pradesh. The police Thursday said that she ended her life by hanging herself at her home, reported PTI.

The cops said that they found the body of the woman hanging from the ceiling fan. Preliminary investigations have revealed that she took the step due domestic issues.

However, this is not the first time that mothers, who are mentally disturbed have killed their children before taking their own life.

Earlier in February, a 33-year-old woman, suffering from schizophrenia, threw her five-year-old son from the 11th floor of an apartment and then jumped herself to death. The tragic incident took place the northern Indian state of Uttar Pradesh's Kanpur.

Similarly, there have been other incidents, wherein mentally disturbed mothers have killed a member of their family but did not harm themselves.

In a incident that took place January 18, a woman strangled her 14-year-old son to death after she lost her cool during an argument with him. The 42-year-old mother, who was also mentally unstable then burnt his body in their home in Kollam, Kerala.

After killing her son, she filed a complaint with the police that the boy was missing.

The mentally ill woman bludgeoned her husband to death in his sleep. [Representational image]Creative Commons

In March 2017, a mentally ill woman bludgeoned her husband to death with a hammer two dozen times in his sleep. The murder, which took place in north-west Delhi's Narela, was witnessed by her children.

In both the cases, the women were arrested by the police.