A senior al-Qaeda militant, accused of planning to bomb trains in New York and London, has been killed in Pakistan, the country's military says, according to BBC News.

Adnan el Shukrijumah was killed in a raid in north-western Pakistan, near the Afghan border, the military said.

The FBI describes him as al-Qaeda's global operations chief, a post once held by the alleged mastermind of the 9/11 attacks, Khalid Sheikh Mohammed.

Shukrijumah was born in Saudi Arabia and lived for several years in the U.S.

He was named in a U.S. federal indictment as a conspirator in the case against three men accused of plotting suicide bomb attacks on New York's subway system in 2009.

He is also suspected of having played a role in plotting al-Qaeda attacks in Panama, Norway and the UK.