July 21 (Reuters) - The following are the top stories in the Financial Times. Reuters has not verified these stories and does not vouch for their accuracy.
Philip Hammond confirms he will quit if Boris Johnson becomes PM on.ft.com/2y2ZMzv
BA and Lufthansa suspend Cairo flights citing security on.ft.com/2y21scG
GSK sets out strategy to double drug discovery success on.ft.com/2xYFd7l
Ofcom begins search for new chief executive on.ft.com/2xYFOpB
Chancellor Philip Hammond said on Sunday that he will resign if Boris Johnson becomes UK prime minister as he refuses to serve a prime minister who accepts the possibility of a no-deal Brexit.
British Airways, a unit of IAG and Lufthansa suspended all flights to Cairo on Saturday over security concerns.
Staff at GlaxoSmithKline PLC set out strategy to double drug discovery success, as it seeks to convince investors it can reverse years of underperformance in R&D.
Ofcom begins search for new chief executive to succeed chief executive Sharon White at a time of sweeping change in the sectors it regulates. (Compiled by Bengaluru newsroom; Editing by Daniel Wallis)