A land feud between tribes in northwestern Pakistan has spilled over into days of sectarian fighting with machine guns and mortars, killing 35 people so far, officials said on Sunday. The Sunni Muslim Madagi and Shia Mali Khel tribes have been fighting since Wednesday, when a gunman opened fire at a council negotiating a decades-long dispute over farmland, local police official Murtaza Hussain said. While no one was wounded in that attack, Hussain said it reignited longstanding religious tensions between the clans who live side-by-side in the district of Kurram on the border with Afghanistan. …