Four suspects have so far been arrested in connection with Rohingya leader Mohib Ullah’s murder at Lambashia camp-1 in Ukhiya.

Of them, Selim and Shawkat were presented before Cox’s Bazar Judicial Magistrate’s court on Saturday as Ukhiya police sought a seven-day remand to interrogate them.

The court set Sunday to hear the remand plea, said sub-sub-inspector Chandan Kumar Chakrawarty at the court.

Shawkat was arrested on Saturday afternoon from a Kutupalong Rohingya camp, said officer-in-charge of Ukhiya police station Sanjur Morshed.

Also read: Rohingya leader Mohibullah assassinated

Armed Police Battalion (APBn) personnel arrested Ziaur and Salam on Friday early morning from Kutupalong camps and Selim on Friday noon from Kutupalong camp-6.

SP Naimul Haque, commander of the 14th APBn, said the three arrestees were later handed over to Ukhiya police station.

Since Mohib Ullah’s murder, patrol by police and APBn personnel been beefed up at the Rohingya camps, the SP added.

On Thursday night, police registered a murder case over Mohib Ullah’s murder following a complaint from Mohib Ullah’s brother Habib Ullah, said officer-in-charge Sanjur Morshed.

Unknown assailants gunned down Mohib on Wednesday night. He was first taken to a local medical facility and later shifted to Cox's Bazar Sadar Hospital, where doctors declared him dead.

Read: Mohib's murder: FIR lodged, probe in full swing, say police

He was buried in Lambashia camp-1 in Ukhiya upazila on Thursday afternoon after his namaz-e-janaza, which was attended by a large number of Rohingya refugees from camps in Ukhiya and Teknaf upazilas.

Formerly a teacher in Myanmar, the slain activist was popularly known as Master Mohib Ullah among the Rohingya refugees. He was the head of Arakan Rohingya Society for Peace and Human Rights (ARSPH) at Kutupalong camp.