Gunshots echo from Nairobi's besieged shopping mall as security forces monitor the ongoing standoff.<br /> <br />The conflict at Westgate shopping mall is now in its fourth day with smoke still rising from what officials described as burning mattresses.<br /> <br />On Saturday, militants from Somalia's al Shabaab Islamist group stormed the mall, killing at least 62 people and wounding 175.<br /> <br />Kenya Red Cross says a number of people are still unaccounted for and "several hostages" remain held up inside.<br /> <br />This woman is looking for her missing husband who was working at the Nakumatt supermarket inside the mall.<br /> <br />Another woman, who was consoling the grieving woman, says they don't know if he is dead or alive.<br /> <br />(SOUNDBITE) (Swahili) UNIDENTIFIED WOMAN (WHO WAS CONSOLING THE FIRST GRIEVING WOMAN) SAYING:<br /> <br />"Her husband works at Nakumatt, and he hasn't been found. So when we went to the crisis center, they told us they haven't got a list of those killed. We tell them: even if he is