In a travel advisory published on its website, the national carrier announced its customers who wish to cancel flights to London on Saturday, Sunday or Monday (June 3-5) will be offered a full refund, Channel NewsAsia reported.

Additionally, passengers who wish to reschedule their London flights during those dates may do so at no additional cost, the airline added.

MAS also extended sympathies to the families and friends of the victims.

Six people were killed in the attack when a van smashed into pedestrians on London Bridge before three assailants went on a stabbing spree killing people at random.

Police shot and killed three male suspects at Borough Market.

The latest attack was the third such terrorist incident in the UK since March.

Death toll rises to six in London attacks, three suspects shot dead