<span style="color: #222222;">A top US commander has said that militants operating out of Pakistan and Afghanistan continue to threaten Afghan stability as well as stoke tensions between India and Pakistan. </span><br />'' <br />'' <span style="color: #222222;">In a briefing to the US Senate Armed Services Committee yesterday, US Central Command commander General Joseph Votel said the US was looking to all regional actors to cease behaviour undermining regional stability and play constructive roles in achieving peace in whole of South Asia. </span><br />'' <br />'' <span style="color: #222222;">He said cross-border attacks by violent extremist organisations fuel instability and generate tensions along the Pakistan-Afghan border. The general added that Pakistan has not taken any concrete steps such as arresting or expelling Taliban leaders who do not cooperate with reconciliation efforts.</span><br />'' <br />'' <span style="color: #222222;">The US general also spoke on Beijing's rising influence in South Asia. He said increasing Chinese economic power could support and mask longer-term military and political objectives.</span><br />''