FOG BLOG BREAKING NEWS LOG: ~~AMBER ALERT CANCELED~~ 2 CHILDREN FOUND SAFE IN SASK. AND MAN CHARGED!

2 children at centre of Sask. Amber Alert found safe RCMP say the 4 people involved were located in South Dakota Two children at the centre of an Amber Alert issued in Saskatchewan have been found, according to RCMP.

The Saskatchewan RCMP issued an Amber Alert on Monday night asking the public to be on the lookout for a pair of kids, aged seven and eight.

On Tuesday night, police extended their search into South Dakota following evidence that suggested the group had moved into the U.S. state.

A police news release on Tuesday said they were believed to be with their mother and Benjamin Martin Moore, 50, who is a convicted sex offender with a history of sex offences against children and vulnerable people.

About an hour after RCMP sent out a news release that the Amber Alert was extended south, a Facebook post from the Meade County Sheriff's Office in Sturgis, S.D., said the two children had been "safely recovered."

• Sask. RCMP say 2 children at centre of Amber Alert believed to be in danger, warrant issued for man

• Sask. RCMP issue Amber Alert for 2 children who may be in United States

Both Moore and the childrens' mother were arrested at about 11:30 p.m. MT without incident, according to Meade County Sheriff Ron Merwin.

He said the children had been taken in by social services.

Merwin said police were fortunate to locate the fugitives because hundreds of thousands of enthusiasts are taking part in the annual Sturgis Motorcycle Rally, many lodging in nearby campgrounds.

"We all started checking locations where people were staying and checking the campgrounds, and fortunate enough to find one of the campgrounds where they were staying," he said.

He said they tried to leave in their van, but they were stopped and arrested at the campground just east of Sturgis without incident.

It also said that several enforcement units in the area, including the South Dakota Division of Criminal Investigation and the Sturgis Police Department, led to the "capture of these suspects."

Amber Alert timeline

Originally, the Shaunavon RCMP were asked to help the Ministry of Social Services with an investigation into allegations surrounding Moore.

A meeting had been planned with social services for Aug. 2.

Last week, Moore and the others abandoned their home in Eastend, Sask., about 315 kilometres southwest of Regina, before police were able to question him.

At about 7:20 p.m. on Monday, the Saskatchewan RCMP issued the Amber Alert for the two children, which had provided the description of Moore and the vehicle he was driving, which had an Alberta licence plate.

"We believe that [the children] are in danger in the presence of Benjamin Moore, and we want to locate them as quickly as possible to ensure that they are brought home safely," Chief Supt. Tyler Bates, the officer in charge of the Saskatchewan RCMP's south district management team, said at a news conference Tuesday.

Bates said Moore had previously been convicted of sexual interference and possession of child pornography.

CBC News previously reported that he served a 26-month sentence for inappropriately touching a young child and possessing child pornography among other offences.