Police in London were searching for  dozen of athlet Mami form Sierra Leone who disappeared after completing the London marathon.

Mami Konneh Lahun, 24, an elite runner who completed the woman’s race in 20th place, did not return to her temporary accommodation in Greenwich.

She arrived in the UK last Monday, apparently on a temporary visa, and was due to fly home today. Scotland Yard said she had no known links with the UK and did not have a mobile phone.

marathons last year, is believed to be her country’s fastest-ever female 5,000m and 10,000m runner. She completed yesterday’s race in two hours 46 minutes.

About 36,000 runners took part in yesterday’s race. Temperatures had reached 16C by the time competitors reached the finish line in The Mall.

Kenyan world record holder Wilson Kipsang won the men’s race in 2hrs 4mins and 29secs, a course record. The women’s title was taken by Edna Kiplagat of Ethiopia, in a time of 2hrs 20mins and 21 secs. Mo Farah came eighth with a time of 2hrs 8mins and 21secs.

About a dozen African athletes, from countries including Cameroon, Guinea, Ivory Coast and Eritrea, went missing in London after the 2012 Olympics.

Anyone with information on her whereabouts is asked to call police on 101.