Police in Britain say that one of the three sisters who disappeared in the Middle East with their nine children has made contact with her family.

West Yorkshire police said in a statement Wednesday there is an indication that the family has crossed into Syria, "but this is uncorroborated."

Police are trying to establish the whereabouts of the Dawood family, from Bradford in northern England, who failed to return from a Muslim pilgrimage to Saudi Arabia. Sisters Khadija, Sugra and Zohra Dawood, all in their 30s, traveled to Medina with their children, aged 3 to 15, on May 28. They were due to return on June 11, but broke off all contact on June 9.

The husbands of the three sisters have appealed for them to come home.