South Africa's First National Bank (FNB) has acknowledged intermittent connectivity on its network on Monday 18 May which affected its online, cellphone banking and App.

In posted messages on social media the Bank affirmed the situation and apologised for the inconvenience saying it was investigating the matter.

It also advised customers to make use of ATMs and branches for transactions.

In an official statement spokesperson Mo Hassem, FNB chief information officer, reiterated the message saying, "FNB is aware of intermittent connectivity on its network. Our teams are working hard to rectify this. We advise clients to make use of FNB's branch and ATM channels to conduct banking. FNB apologises for any inconvenience. "

FNB CEO Jacques Celliers tweeted - @CelliersJ1 "Apologies for network frustrations into online channels... Branches & ATMS are up... A-team on it."

At the time of publishing, ITWeb Africa experienced difficulty when attempting to access the bank's official website.

The bank could not divulge any additional details, except to say that it would continue providing updates on developments.

In subsequent communication Hassem has confirmed that the bank has remedied the problem and customers could use all channels as normal.