Williams joined '' BBC Breakfast '' on 12 January 2001 as a relief presenter , initially presenting on Friday – Sunday alongside Darren Jordon , to cover for main presenter , Sarah Montague , and then later with Jeremy Bowen , to cover for Sophie Raworth . She also regularly deputised on both the '' Six O'Clock News '' and the '' One O'Clock News '' during this period . In 2004 , Williams covered for Raworth on the '' Six O'Clock News '' during her maternity leave , co-presenting with George Alagiah , and the following year , reported from Sri Lanka and Thailand on the 2004 Indian Ocean earthquake and from Pakistan on the Kashmir earthquake
Kashmir earthquake
2005 Kashmir earthquake
Sian Williams