July 22 (Reuters) - The following are the top stories in the Financial Times. Reuters has not verified these stories and does not vouch for their accuracy.

Headlines

• Novo Nordisk sues Eli Lilly over ‘deliberately false’ weight-loss drug ads

• Rolls-Royce expects Airbus decision on new A350 version within a year

• Kazakhstan stops sending oil to key Russian terminal after Ukrainian tanker attacks

• IEA warns of risk to energy supplies from escalation of Iran conflict

Overview

• Novo Nordisk NOVOb.CO sued rival Eli Lilly LLY.N in a U.S. federal court on Tuesday, accusing the U.S. drugmaker of false advertising in claiming its weight-loss medicines outperform Novo's drugs.

• Rolls-Royce RR.L is working with Airbus AIR.PA on potential plans for a larger A350 as the plane maker weighs launching a new version of its biggest jet within the next year, a decision that would place it in direct competition with Boeing’s BA.N 777X.

• Kazakhstan has stopped sending oil through a pipeline to a key Russian export terminal on the Black Sea following Ukrainian attacks on tankers planning to load there.

• The International Energy Agency has warned of a growing risk to energy supplies following the escalation of the war in the Middle East, with the renewed shutdown of the Strait of Hormuz once again severely restricting shipments from the Gulf.