Complex sentence: On 13 July 2002, around 8 pm, up to eight suspected militants walked into the Qasimnagar slum on the outskirts of Jammu Disguised as Hindu holy men, they threw three or four grenades before opening fire with automatic weapons (AK-47s).
Split into simpler sentences: On 13 July 2002, around 8 pm, up to eight suspected militants walked into the Qasimnagar slum on the outskirts of Jammu Disguised as Hindu holy men. They then threw three or four grenades before opening fire with automatic weapons (AK-47s).