LAGOS, March 8 (Xinhua) -- The police have arrested 93 suspects following the Sunday violence killing in Jos, the capital of northern Nigeria's Plateau State, according to an official.

Mohamed Lerama, state police spokesman, said in a statement reaching here that several weapons have been recovered after Sunday's violence, where at least 500 were killed in a communal violence.

"The Police arrested 93 person and they are in two categories," the statement said.

"The police arrested 19 Fulani's with sophisticated weapons in Anjuri village in Jos east Local Government Area," it added.

According to the statement, the 19 Fulanis' said they were on a revenge mission with the weapons.

"We also arrested 74 people from Mangu area of the state, with different weapons," the police said.

Weapons recovered includes, four double barrel guns, two locally made double barrel, five AK 47, 5 mm ammunition, 34 live cartridge and many local made charms, the statement said.

According to the statement, troops had been seen in Nigeria's northern city of Jos after the communal violence.

The latest military move came after a Nigerian government official confirmed on Monday that at least 500 had been killed in a communal clash in Jos, which followed the crisis on Jan. 17 in the same region when some youths attacked worshippers at St. Michael's Anglican Church in Nasawara Gwom.

Meanwhile, the country's newly appointed Acting President Goodluck Jonathan on Sunday said all the security services in northern Plateau State and neighboring states should be on red alert so as to stem any cross border dimensions to this latest conflict.