Libyan strongman Khalifa Haftar has vowed to press ahead with an offensive to seize Tripoli, dismissing a political initiative by the head of the internationally recognised government. Haftar's self-styled Libyan National Army, which holds eastern Libya and much of the country's south, launched the offensive to take the capital in early April. But counter-attacks by forces loyal to the internationally recognised Government of National Accord have resulted in a stalemate on the city's south ......