【HELP ME】 English Grammer!!

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May 3, 2011 00:53
Are there any differences between two sentences?

1【Verb+ing】
The political oppposition in Yemen warned the government on Thursday that violence against street protesters demanding the ouster of President Ali Abdullah Shaleh could derail a deal to end the political standoff.

2 【Relative Pronoun】
The political oppposition in Yemen warnnd the government on Thursday that violence against street protesters who is demanding the ouster of President Ali Abdullah Shaleh could derail a deal to end the political standoff.

Thank you in advance