One month after the alleged murder of Zainab and daughter Petra, a Yaba Magistrate court, on Tuesday fixed June 28 to commence proper trial.

The accused, Peter Nielsen appeared in the Lagos court on Tuesday, but no plea was taken. However, the court ordered his continued detention.

He was said to have hit his wife's head against the wall several times, inflicting fatal injuries and later poisoning his daughter on April 5, 2018, and tried to cover up the murders as a domestic accident.

Zainab, a 37-year-old singer popularly known as Alizee, was a rising Nigerian star.

"He was brought to court this morning but no plea was taken. The prosecutors asked for an extension of his detention in Ikoyi prison pending his trial at the high court," activist lawyer Christian Kolawole Love told AFP.

"The request was granted as Mr. Nielsen will remain in prison until June 28," he said.

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He said the prosecution was hopeful that justice would be served in the matter.

"We are optimistic that the course of justice will be served. Nielsen is culpable in the murder of Zainab and Petra and should be brought to justice," he said.

Court officials said the suspect had been returned to prison after the hearing.

Dozens of rights activists under the auspices of Women Arise NGO, families and friends of the victims, besieged the court in black in T-shirts with the pictures of Zainab and her daughter.

They carried placards denouncing the growing menace of domestic violence in the country, amidst sobbing and wailings of relatives of the victims, including Zainab's mother.

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