SINGAPORE - Starhub has apologised for the intermittent connectivity that affected some of its fibre broadband and digital voice customers throughout Thursday.

In a Facebook post it put up at about 6.30pm, the telco said that the issues have been resolved. It did not specify what the problem was or what had caused it.

"We are taking steps to ensure the services stabilise for affected customers. Thank you, and sorry for any inconvenience caused," the post said.

In a statement to the media, StarHub said the incident started at 9.30am. Affected traffic was then diverted to normal service had resumed before noon.

However, just after 3pm, StarHub said it was alerted that some some customers were still facing difficulties logging surfing the Internet and making calls.

Users who commented on the telco's Facebook page said that services in several areas including Punggol, Sengkang and Whampoa were down.

At 5pm, the telco said it had managed to fix the issue and was taking steps to ensure the services stablised for affected customers.

StarHub said it is currently investigating the root cause of the incident.