Police are “increasingly concerned” for the safety of a missing pregnant mother and her two young children.

Krystal Gibbs, 25, her daughter Sienna, three, and son Jayden, four, were last seen on May 20 at their home in Tottenham, north London.

The young family, from Northumberland Park, are believed to be with Ms Gibbs’s boyfriend Martin Kelly.

Krystal Gibbs missing
Martin Kelly is the boyfriend of Krystal Gibbs (Met Police/PA)

Concerns were raised after Jayden did not attend school and Ms Gibbs, who is six months pregnant, missed a maternity appointment.

Many of the children’s clothes and belongings have been left at their home, the Metropolitan Police said.

A spokesman said: “Officers are increasingly concerned for their wellbeing and would urge anyone with information on their whereabouts or sightings of their car to call police.”

Krystal Gibbs missing
Police are concerned about Jayden and his sister Sienna (Met Police/PA)

Ms Gibbs is described as a white female with dark hair.

Sienna is mixed race with brown eyes and dark brown afro hair.

Jayden is mixed race with brown eyes and short brown hair.

They are believed to be travelling in a silver Nissan Micra which was last traced in Hampshire, registration KB53 DZF.