A trio of suicide bombers detonated at a crowded fish market in northern Nigeria, killing at least 20 people, police said Saturday.

Borno state police spokesman Joseph Kwaji confirmed the Friday night attack to The Associated Press. Hospital officials said two patients later died from their injuries.

The bombers, all believed to be female, left dozens wounded at the fish market in Konduga, just outside the state capital, Maiduguri. The city is the birthplace of the Boko Haram extremist insurgency and has been a frequent target.

Musa Bulama, 32, said he was lucky to have survived the blasts.

"I came to the night market to buy fish for dinner when I heard a loud bang some meters (yards) behind me and I saw myself on the ground, and before I could pickarrest of the ED under Section 19 of the Prevention of Money Laundering Act (PMLA) as unconstitutional and in violation of Article 14 and 21 of the Constitution, which deal with the rights of people for equality before law and protection of personal liberty.

The plea sought quashing of the enforcement case information report (ECIR) and probe by the ED for the offences under the PMLA.

It sought quashing of the probe by the ED, alleging that it was contrary to the procedure established by law and violates Karti Chidambaram's fundamental rights.

The ED had registered a case against Karti Chidambaram and others in May last year. It had registered an ECIR, the ED's equivalent of an FIR, against the accused named in the CBI complaint. These accused included Karti Chidambaram,